31909500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{1013}}^1$

素因数の和:1045

約数の個数: 144

約数和(自身を含む): 115157952

約数和(自身を除く): 83248452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 140, 150, 175, 180, 210, 225, 250, 252, 300, 315, 350, 375, 420, 450, 500, 525, 630, 700, 750, 875, 900, 1013, 1050, 1125, 1260, 1500, 1575, 1750, 2026, 2100, 2250, 2625, 3039, 3150, 3500, 4052, 4500, 5065, 5250, 6078, 6300, 7091, 7875, 9117, 10130, 10500, 12156, 14182, 15195, 15750, 18234, 20260, 21273, 25325, 28364, 30390, 31500, 35455, 36468, 42546, 45585, 50650, 60780, 63819, 70910, 75975, 85092, 91170, 101300, 106365, 126625, 127638, 141820, 151950, 177275, 182340, 212730, 227925, 253250, 255276, 303900, 319095, 354550, 379875, 425460, 455850, 506500, 531825, 638190, 709100, 759750, 886375, 911700, 1063650, 1139625, 1276380, 1519500, 1595475, 1772750, 2127300, 2279250, 2659125, 3190950, 3545500, 4558500, 5318250, 6381900, 7977375, 10636500, 15954750, 31909500]

約数ペア:

[(1, 31909500), (2, 15954750), (3, 10636500), (4, 7977375), (5, 6381900), (6, 5318250), (7, 4558500), (9, 3545500), (10, 3190950), (12, 2659125), (14, 2279250), (15, 2127300), (18, 1772750), (20, 1595475), (21, 1519500), (25, 1276380), (28, 1139625), (30, 1063650), (35, 911700), (36, 886375), (42, 759750), (45, 709100), (50, 638190), (60, 531825), (63, 506500), (70, 455850), (75, 425460), (84, 379875), (90, 354550), (100, 319095), (105, 303900), (125, 255276), (126, 253250), (140, 227925), (150, 212730), (175, 182340), (180, 177275), (210, 151950), (225, 141820), (250, 127638), (252, 126625), (300, 106365), (315, 101300), (350, 91170), (375, 85092), (420, 75975), (450, 70910), (500, 63819), (525, 60780), (630, 50650), (700, 45585), (750, 42546), (875, 36468), (900, 35455), (1013, 31500), (1050, 30390), (1125, 28364), (1260, 25325), (1500, 21273), (1575, 20260), (1750, 18234), (2026, 15750), (2100, 15195), (2250, 14182), (2625, 12156), (3039, 10500), (3150, 10130), (3500, 9117), (4052, 7875), (4500, 7091), (5065, 6300), (5250, 6078)]