391821000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1152

約数の個数: 128

約数和(自身を含む): 1233048960

約数和(自身を除く): 841227960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 131, 150, 200, 250, 262, 300, 375, 393, 500, 524, 600, 655, 750, 786, 997, 1000, 1048, 1310, 1500, 1572, 1965, 1994, 2620, 2991, 3000, 3144, 3275, 3930, 3988, 4985, 5240, 5982, 6550, 7860, 7976, 9825, 9970, 11964, 13100, 14955, 15720, 16375, 19650, 19940, 23928, 24925, 26200, 29910, 32750, 39300, 39880, 49125, 49850, 59820, 65500, 74775, 78600, 98250, 99700, 119640, 124625, 130607, 131000, 149550, 196500, 199400, 249250, 261214, 299100, 373875, 391821, 393000, 498500, 522428, 598200, 653035, 747750, 783642, 997000, 1044856, 1306070, 1495500, 1567284, 1959105, 2612140, 2991000, 3134568, 3265175, 3918210, 5224280, 6530350, 7836420, 9795525, 13060700, 15672840, 16325875, 19591050, 26121400, 32651750, 39182100, 48977625, 65303500, 78364200, 97955250, 130607000, 195910500, 391821000]

約数ペア:

[(1, 391821000), (2, 195910500), (3, 130607000), (4, 97955250), (5, 78364200), (6, 65303500), (8, 48977625), (10, 39182100), (12, 32651750), (15, 26121400), (20, 19591050), (24, 16325875), (25, 15672840), (30, 13060700), (40, 9795525), (50, 7836420), (60, 6530350), (75, 5224280), (100, 3918210), (120, 3265175), (125, 3134568), (131, 2991000), (150, 2612140), (200, 1959105), (250, 1567284), (262, 1495500), (300, 1306070), (375, 1044856), (393, 997000), (500, 783642), (524, 747750), (600, 653035), (655, 598200), (750, 522428), (786, 498500), (997, 393000), (1000, 391821), (1048, 373875), (1310, 299100), (1500, 261214), (1572, 249250), (1965, 199400), (1994, 196500), (2620, 149550), (2991, 131000), (3000, 130607), (3144, 124625), (3275, 119640), (3930, 99700), (3988, 98250), (4985, 78600), (5240, 74775), (5982, 65500), (6550, 59820), (7860, 49850), (7976, 49125), (9825, 39880), (9970, 39300), (11964, 32750), (13100, 29910), (14955, 26200), (15720, 24925), (16375, 23928), (19650, 19940)]