208630500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{823}}^1$

素因数の和:871

約数の個数: 144

約数和(自身を含む): 658659456

約数和(自身を除く): 450028956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 169, 195, 250, 260, 300, 325, 338, 375, 390, 500, 507, 650, 676, 750, 780, 823, 845, 975, 1014, 1300, 1500, 1625, 1646, 1690, 1950, 2028, 2469, 2535, 3250, 3292, 3380, 3900, 4115, 4225, 4875, 4938, 5070, 6500, 8230, 8450, 9750, 9876, 10140, 10699, 12345, 12675, 16460, 16900, 19500, 20575, 21125, 21398, 24690, 25350, 32097, 41150, 42250, 42796, 49380, 50700, 53495, 61725, 63375, 64194, 82300, 84500, 102875, 106990, 123450, 126750, 128388, 139087, 160485, 205750, 213980, 246900, 253500, 267475, 278174, 308625, 320970, 411500, 417261, 534950, 556348, 617250, 641940, 695435, 802425, 834522, 1069900, 1234500, 1337375, 1390870, 1604850, 1669044, 2086305, 2674750, 2781740, 3209700, 3477175, 4012125, 4172610, 5349500, 6954350, 8024250, 8345220, 10431525, 13908700, 16048500, 17385875, 20863050, 34771750, 41726100, 52157625, 69543500, 104315250, 208630500]

約数ペア:

[(1, 208630500), (2, 104315250), (3, 69543500), (4, 52157625), (5, 41726100), (6, 34771750), (10, 20863050), (12, 17385875), (13, 16048500), (15, 13908700), (20, 10431525), (25, 8345220), (26, 8024250), (30, 6954350), (39, 5349500), (50, 4172610), (52, 4012125), (60, 3477175), (65, 3209700), (75, 2781740), (78, 2674750), (100, 2086305), (125, 1669044), (130, 1604850), (150, 1390870), (156, 1337375), (169, 1234500), (195, 1069900), (250, 834522), (260, 802425), (300, 695435), (325, 641940), (338, 617250), (375, 556348), (390, 534950), (500, 417261), (507, 411500), (650, 320970), (676, 308625), (750, 278174), (780, 267475), (823, 253500), (845, 246900), (975, 213980), (1014, 205750), (1300, 160485), (1500, 139087), (1625, 128388), (1646, 126750), (1690, 123450), (1950, 106990), (2028, 102875), (2469, 84500), (2535, 82300), (3250, 64194), (3292, 63375), (3380, 61725), (3900, 53495), (4115, 50700), (4225, 49380), (4875, 42796), (4938, 42250), (5070, 41150), (6500, 32097), (8230, 25350), (8450, 24690), (9750, 21398), (9876, 21125), (10140, 20575), (10699, 19500), (12345, 16900), (12675, 16460)]