278216250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{13}}^2\times {\mathrm{439}}^1$

素因数の和:490

約数の個数: 120

約数和(自身を含む): 754633440

約数和(自身を除く): 476417190

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 169, 195, 250, 325, 338, 375, 390, 439, 507, 625, 650, 750, 845, 878, 975, 1014, 1250, 1317, 1625, 1690, 1875, 1950, 2195, 2535, 2634, 3250, 3750, 4225, 4390, 4875, 5070, 5707, 6585, 8125, 8450, 9750, 10975, 11414, 12675, 13170, 16250, 17121, 21125, 21950, 24375, 25350, 28535, 32925, 34242, 42250, 48750, 54875, 57070, 63375, 65850, 74191, 85605, 105625, 109750, 126750, 142675, 148382, 164625, 171210, 211250, 222573, 274375, 285350, 316875, 329250, 370955, 428025, 445146, 548750, 633750, 713375, 741910, 823125, 856050, 1112865, 1426750, 1646250, 1854775, 2140125, 2225730, 3566875, 3709550, 4280250, 5564325, 7133750, 9273875, 10700625, 11128650, 18547750, 21401250, 27821625, 46369375, 55643250, 92738750, 139108125, 278216250]

約数ペア:

[(1, 278216250), (2, 139108125), (3, 92738750), (5, 55643250), (6, 46369375), (10, 27821625), (13, 21401250), (15, 18547750), (25, 11128650), (26, 10700625), (30, 9273875), (39, 7133750), (50, 5564325), (65, 4280250), (75, 3709550), (78, 3566875), (125, 2225730), (130, 2140125), (150, 1854775), (169, 1646250), (195, 1426750), (250, 1112865), (325, 856050), (338, 823125), (375, 741910), (390, 713375), (439, 633750), (507, 548750), (625, 445146), (650, 428025), (750, 370955), (845, 329250), (878, 316875), (975, 285350), (1014, 274375), (1250, 222573), (1317, 211250), (1625, 171210), (1690, 164625), (1875, 148382), (1950, 142675), (2195, 126750), (2535, 109750), (2634, 105625), (3250, 85605), (3750, 74191), (4225, 65850), (4390, 63375), (4875, 57070), (5070, 54875), (5707, 48750), (6585, 42250), (8125, 34242), (8450, 32925), (9750, 28535), (10975, 25350), (11414, 24375), (12675, 21950), (13170, 21125), (16250, 17121)]