61989900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{4217}}^1$

素因数の和:4248

約数の個数: 108

約数和(自身を含む): 208689768

約数和(自身を除く): 146699868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 294, 300, 350, 420, 490, 525, 588, 700, 735, 980, 1050, 1225, 1470, 2100, 2450, 2940, 3675, 4217, 4900, 7350, 8434, 12651, 14700, 16868, 21085, 25302, 29519, 42170, 50604, 59038, 63255, 84340, 88557, 105425, 118076, 126510, 147595, 177114, 206633, 210850, 253020, 295190, 316275, 354228, 413266, 421700, 442785, 590380, 619899, 632550, 737975, 826532, 885570, 1033165, 1239798, 1265100, 1475950, 1771140, 2066330, 2213925, 2479596, 2951900, 3099495, 4132660, 4427850, 5165825, 6198990, 8855700, 10331650, 12397980, 15497475, 20663300, 30994950, 61989900]

約数ペア:

[(1, 61989900), (2, 30994950), (3, 20663300), (4, 15497475), (5, 12397980), (6, 10331650), (7, 8855700), (10, 6198990), (12, 5165825), (14, 4427850), (15, 4132660), (20, 3099495), (21, 2951900), (25, 2479596), (28, 2213925), (30, 2066330), (35, 1771140), (42, 1475950), (49, 1265100), (50, 1239798), (60, 1033165), (70, 885570), (75, 826532), (84, 737975), (98, 632550), (100, 619899), (105, 590380), (140, 442785), (147, 421700), (150, 413266), (175, 354228), (196, 316275), (210, 295190), (245, 253020), (294, 210850), (300, 206633), (350, 177114), (420, 147595), (490, 126510), (525, 118076), (588, 105425), (700, 88557), (735, 84340), (980, 63255), (1050, 59038), (1225, 50604), (1470, 42170), (2100, 29519), (2450, 25302), (2940, 21085), (3675, 16868), (4217, 14700), (4900, 12651), (7350, 8434)]