2100049100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{823}}^1$

素因数の和:952

約数の個数: 144

約数和(自身を含む): 5149670400

約数和(自身を除く): 3049621300

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 79, 85, 95, 100, 158, 170, 190, 316, 323, 340, 380, 395, 425, 475, 646, 790, 823, 850, 950, 1292, 1343, 1501, 1580, 1615, 1646, 1700, 1900, 1975, 2686, 3002, 3230, 3292, 3950, 4115, 5372, 6004, 6460, 6715, 7505, 7900, 8075, 8230, 13430, 13991, 15010, 15637, 16150, 16460, 20575, 25517, 26860, 27982, 30020, 31274, 32300, 33575, 37525, 41150, 51034, 55964, 62548, 65017, 67150, 69955, 75050, 78185, 82300, 102068, 127585, 130034, 134300, 139910, 150100, 156370, 255170, 260068, 265829, 279820, 312740, 325085, 349775, 390925, 510340, 531658, 637925, 650170, 699550, 781850, 1063316, 1105289, 1235323, 1275850, 1300340, 1329145, 1399100, 1563700, 1625425, 2210578, 2470646, 2551700, 2658290, 3250850, 4421156, 4941292, 5316580, 5526445, 6176615, 6501700, 6645725, 11052890, 12353230, 13291450, 21000491, 22105780, 24706460, 26582900, 27632225, 30883075, 42000982, 55264450, 61766150, 84001964, 105002455, 110528900, 123532300, 210004910, 420009820, 525012275, 1050024550, 2100049100]

約数ペア:

[(1, 2100049100), (2, 1050024550), (4, 525012275), (5, 420009820), (10, 210004910), (17, 123532300), (19, 110528900), (20, 105002455), (25, 84001964), (34, 61766150), (38, 55264450), (50, 42000982), (68, 30883075), (76, 27632225), (79, 26582900), (85, 24706460), (95, 22105780), (100, 21000491), (158, 13291450), (170, 12353230), (190, 11052890), (316, 6645725), (323, 6501700), (340, 6176615), (380, 5526445), (395, 5316580), (425, 4941292), (475, 4421156), (646, 3250850), (790, 2658290), (823, 2551700), (850, 2470646), (950, 2210578), (1292, 1625425), (1343, 1563700), (1501, 1399100), (1580, 1329145), (1615, 1300340), (1646, 1275850), (1700, 1235323), (1900, 1105289), (1975, 1063316), (2686, 781850), (3002, 699550), (3230, 650170), (3292, 637925), (3950, 531658), (4115, 510340), (5372, 390925), (6004, 349775), (6460, 325085), (6715, 312740), (7505, 279820), (7900, 265829), (8075, 260068), (8230, 255170), (13430, 156370), (13991, 150100), (15010, 139910), (15637, 134300), (16150, 130034), (16460, 127585), (20575, 102068), (25517, 82300), (26860, 78185), (27982, 75050), (30020, 69955), (31274, 67150), (32300, 65017), (33575, 62548), (37525, 55964), (41150, 51034)]