400145460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:498

約数の個数: 192

約数和(自身を含む): 1329350400

約数和(自身を除く): 929204940

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 149, 156, 165, 195, 220, 260, 286, 298, 313, 330, 390, 429, 447, 572, 596, 626, 660, 715, 745, 780, 858, 894, 939, 1252, 1430, 1490, 1565, 1639, 1716, 1788, 1878, 1937, 2145, 2235, 2860, 2980, 3130, 3278, 3443, 3756, 3874, 4069, 4290, 4470, 4695, 4917, 5811, 6260, 6556, 6886, 7748, 8138, 8195, 8580, 8940, 9390, 9685, 9834, 10329, 11622, 12207, 13772, 16276, 16390, 17215, 18780, 19370, 19668, 20345, 20658, 21307, 23244, 24414, 24585, 29055, 32780, 34430, 38740, 40690, 41316, 42614, 44759, 46637, 48828, 49170, 51645, 58110, 61035, 63921, 68860, 81380, 85228, 89518, 93274, 98340, 103290, 106535, 116220, 122070, 127842, 134277, 139911, 179036, 186548, 206580, 213070, 223795, 233185, 244140, 255684, 268554, 279822, 319605, 426140, 447590, 466370, 513007, 537108, 559644, 606281, 639210, 671385, 699555, 895180, 932740, 1026014, 1212562, 1278420, 1342770, 1399110, 1539021, 1818843, 2052028, 2425124, 2565035, 2685540, 2798220, 3031405, 3078042, 3637686, 5130070, 6062810, 6156084, 6669091, 7275372, 7695105, 9094215, 10260140, 12125620, 13338182, 15390210, 18188430, 20007273, 26676364, 30780420, 33345455, 36376860, 40014546, 66690910, 80029092, 100036365, 133381820, 200072730, 400145460]

約数ペア:

[(1, 400145460), (2, 200072730), (3, 133381820), (4, 100036365), (5, 80029092), (6, 66690910), (10, 40014546), (11, 36376860), (12, 33345455), (13, 30780420), (15, 26676364), (20, 20007273), (22, 18188430), (26, 15390210), (30, 13338182), (33, 12125620), (39, 10260140), (44, 9094215), (52, 7695105), (55, 7275372), (60, 6669091), (65, 6156084), (66, 6062810), (78, 5130070), (110, 3637686), (130, 3078042), (132, 3031405), (143, 2798220), (149, 2685540), (156, 2565035), (165, 2425124), (195, 2052028), (220, 1818843), (260, 1539021), (286, 1399110), (298, 1342770), (313, 1278420), (330, 1212562), (390, 1026014), (429, 932740), (447, 895180), (572, 699555), (596, 671385), (626, 639210), (660, 606281), (715, 559644), (745, 537108), (780, 513007), (858, 466370), (894, 447590), (939, 426140), (1252, 319605), (1430, 279822), (1490, 268554), (1565, 255684), (1639, 244140), (1716, 233185), (1788, 223795), (1878, 213070), (1937, 206580), (2145, 186548), (2235, 179036), (2860, 139911), (2980, 134277), (3130, 127842), (3278, 122070), (3443, 116220), (3756, 106535), (3874, 103290), (4069, 98340), (4290, 93274), (4470, 89518), (4695, 85228), (4917, 81380), (5811, 68860), (6260, 63921), (6556, 61035), (6886, 58110), (7748, 51645), (8138, 49170), (8195, 48828), (8580, 46637), (8940, 44759), (9390, 42614), (9685, 41316), (9834, 40690), (10329, 38740), (11622, 34430), (12207, 32780), (13772, 29055), (16276, 24585), (16390, 24414), (17215, 23244), (18780, 21307), (19370, 20658), (19668, 20345)]