290728392010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1\times {\mathrm{397}}^1$

素因数の和:981

約数の個数: 192

約数和(自身を含む): 642119063040

約数和(自身を除く): 351390671030

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 181, 230, 245, 322, 359, 362, 397, 490, 718, 794, 805, 905, 1127, 1267, 1610, 1795, 1810, 1985, 2254, 2513, 2534, 2779, 3590, 3970, 4163, 5026, 5558, 5635, 6335, 8257, 8326, 8869, 9131, 11270, 12565, 12670, 13895, 16514, 17591, 17738, 18262, 19453, 20815, 25130, 27790, 29141, 35182, 38906, 41285, 41630, 44345, 45655, 57799, 58282, 63917, 64979, 71857, 82570, 87955, 88690, 91310, 97265, 115598, 127834, 129958, 142523, 143714, 145705, 175910, 194530, 203987, 285046, 288995, 291410, 319585, 324895, 359285, 404593, 407974, 447419, 454853, 502999, 577990, 639170, 649790, 712615, 718570, 809186, 894838, 909706, 997661, 1005998, 1019935, 1425230, 1494517, 1652711, 1995322, 2022965, 2039870, 2237095, 2274265, 2514995, 2989034, 3183971, 3278029, 3305422, 3520993, 4045930, 4474190, 4548530, 4988305, 5029990, 6367942, 6556058, 6983627, 7041986, 7472585, 8263555, 9976610, 10461619, 11568977, 13967254, 14945170, 15919855, 16390145, 16527110, 17604965, 20923238, 22946203, 23137954, 25796663, 31839710, 32780290, 34918135, 35209930, 45892406, 51593326, 52308095, 57844885, 69836270, 73231333, 80982839, 104616190, 114731015, 115689770, 128983315, 146462666, 160623421, 161965678, 180576641, 229462030, 257966630, 321246842, 361153282, 366156665, 404914195, 593323249, 732313330, 803117105, 809828390, 902883205, 1186646498, 1264036487, 1606234210, 1805766410, 2528072974, 2966616245, 4153262743, 5933232490, 6320182435, 8306525486, 12640364870, 20766313715, 29072839201, 41532627430, 58145678402, 145364196005, 290728392010]

約数ペア:

[(1, 290728392010), (2, 145364196005), (5, 58145678402), (7, 41532627430), (10, 29072839201), (14, 20766313715), (23, 12640364870), (35, 8306525486), (46, 6320182435), (49, 5933232490), (70, 4153262743), (98, 2966616245), (115, 2528072974), (161, 1805766410), (181, 1606234210), (230, 1264036487), (245, 1186646498), (322, 902883205), (359, 809828390), (362, 803117105), (397, 732313330), (490, 593323249), (718, 404914195), (794, 366156665), (805, 361153282), (905, 321246842), (1127, 257966630), (1267, 229462030), (1610, 180576641), (1795, 161965678), (1810, 160623421), (1985, 146462666), (2254, 128983315), (2513, 115689770), (2534, 114731015), (2779, 104616190), (3590, 80982839), (3970, 73231333), (4163, 69836270), (5026, 57844885), (5558, 52308095), (5635, 51593326), (6335, 45892406), (8257, 35209930), (8326, 34918135), (8869, 32780290), (9131, 31839710), (11270, 25796663), (12565, 23137954), (12670, 22946203), (13895, 20923238), (16514, 17604965), (17591, 16527110), (17738, 16390145), (18262, 15919855), (19453, 14945170), (20815, 13967254), (25130, 11568977), (27790, 10461619), (29141, 9976610), (35182, 8263555), (38906, 7472585), (41285, 7041986), (41630, 6983627), (44345, 6556058), (45655, 6367942), (57799, 5029990), (58282, 4988305), (63917, 4548530), (64979, 4474190), (71857, 4045930), (82570, 3520993), (87955, 3305422), (88690, 3278029), (91310, 3183971), (97265, 2989034), (115598, 2514995), (127834, 2274265), (129958, 2237095), (142523, 2039870), (143714, 2022965), (145705, 1995322), (175910, 1652711), (194530, 1494517), (203987, 1425230), (285046, 1019935), (288995, 1005998), (291410, 997661), (319585, 909706), (324895, 894838), (359285, 809186), (404593, 718570), (407974, 712615), (447419, 649790), (454853, 639170), (502999, 577990)]