628342875

素因数分解:

$3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:514

約数の個数: 96

約数和(自身を含む): 1199278080

約数和(自身を除く): 570935205

約数列:

[1, 3, 5, 9, 15, 25, 31, 43, 45, 75, 93, 125, 129, 155, 215, 225, 279, 375, 387, 419, 465, 645, 775, 1075, 1125, 1257, 1333, 1395, 1935, 2095, 2325, 3225, 3771, 3875, 3999, 5375, 6285, 6665, 6975, 9675, 10475, 11625, 11997, 12989, 16125, 18017, 18855, 19995, 31425, 33325, 34875, 38967, 48375, 52375, 54051, 59985, 64945, 90085, 94275, 99975, 116901, 157125, 162153, 166625, 194835, 270255, 299925, 324725, 450425, 471375, 499875, 558527, 584505, 810765, 974175, 1351275, 1499625, 1623625, 1675581, 2252125, 2792635, 2922525, 4053825, 4870875, 5026743, 6756375, 8377905, 13963175, 14612625, 20269125, 25133715, 41889525, 69815875, 125668575, 209447625, 628342875]

約数ペア:

[(1, 628342875), (3, 209447625), (5, 125668575), (9, 69815875), (15, 41889525), (25, 25133715), (31, 20269125), (43, 14612625), (45, 13963175), (75, 8377905), (93, 6756375), (125, 5026743), (129, 4870875), (155, 4053825), (215, 2922525), (225, 2792635), (279, 2252125), (375, 1675581), (387, 1623625), (419, 1499625), (465, 1351275), (645, 974175), (775, 810765), (1075, 584505), (1125, 558527), (1257, 499875), (1333, 471375), (1395, 450425), (1935, 324725), (2095, 299925), (2325, 270255), (3225, 194835), (3771, 166625), (3875, 162153), (3999, 157125), (5375, 116901), (6285, 99975), (6665, 94275), (6975, 90085), (9675, 64945), (10475, 59985), (11625, 54051), (11997, 52375), (12989, 48375), (16125, 38967), (18017, 34875), (18855, 33325), (19995, 31425)]