278391000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1402

約数の個数: 128

約数和(自身を含む): 881487360

約数和(自身を除く): 603096360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 71, 75, 100, 120, 125, 142, 150, 200, 213, 250, 284, 300, 355, 375, 426, 500, 568, 600, 710, 750, 852, 1000, 1065, 1307, 1420, 1500, 1704, 1775, 2130, 2614, 2840, 3000, 3550, 3921, 4260, 5228, 5325, 6535, 7100, 7842, 8520, 8875, 10456, 10650, 13070, 14200, 15684, 17750, 19605, 21300, 26140, 26625, 31368, 32675, 35500, 39210, 42600, 52280, 53250, 65350, 71000, 78420, 92797, 98025, 106500, 130700, 156840, 163375, 185594, 196050, 213000, 261400, 278391, 326750, 371188, 392100, 463985, 490125, 556782, 653500, 742376, 784200, 927970, 980250, 1113564, 1307000, 1391955, 1855940, 1960500, 2227128, 2319925, 2783910, 3711880, 3921000, 4639850, 5567820, 6959775, 9279700, 11135640, 11599625, 13919550, 18559400, 23199250, 27839100, 34798875, 46398500, 55678200, 69597750, 92797000, 139195500, 278391000]

約数ペア:

[(1, 278391000), (2, 139195500), (3, 92797000), (4, 69597750), (5, 55678200), (6, 46398500), (8, 34798875), (10, 27839100), (12, 23199250), (15, 18559400), (20, 13919550), (24, 11599625), (25, 11135640), (30, 9279700), (40, 6959775), (50, 5567820), (60, 4639850), (71, 3921000), (75, 3711880), (100, 2783910), (120, 2319925), (125, 2227128), (142, 1960500), (150, 1855940), (200, 1391955), (213, 1307000), (250, 1113564), (284, 980250), (300, 927970), (355, 784200), (375, 742376), (426, 653500), (500, 556782), (568, 490125), (600, 463985), (710, 392100), (750, 371188), (852, 326750), (1000, 278391), (1065, 261400), (1307, 213000), (1420, 196050), (1500, 185594), (1704, 163375), (1775, 156840), (2130, 130700), (2614, 106500), (2840, 98025), (3000, 92797), (3550, 78420), (3921, 71000), (4260, 65350), (5228, 53250), (5325, 52280), (6535, 42600), (7100, 39210), (7842, 35500), (8520, 32675), (8875, 31368), (10456, 26625), (10650, 26140), (13070, 21300), (14200, 19605), (15684, 17750)]