2412549890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2749}}^1$

素因数の和:2955

約数の個数: 64

約数和(自身を含む): 4752000000

約数和(自身を除く): 2339450110

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 149, 155, 190, 298, 310, 589, 745, 1178, 1490, 2749, 2831, 2945, 4619, 5498, 5662, 5890, 9238, 13745, 14155, 23095, 27490, 28310, 46190, 52231, 85219, 87761, 104462, 170438, 175522, 261155, 409601, 426095, 438805, 522310, 819202, 852190, 877610, 1619161, 2048005, 3238322, 4096010, 7782419, 8095805, 12697631, 15564838, 16191610, 25395262, 38912095, 63488155, 77824190, 126976310, 241254989, 482509978, 1206274945, 2412549890]

約数ペア:

[(1, 2412549890), (2, 1206274945), (5, 482509978), (10, 241254989), (19, 126976310), (31, 77824190), (38, 63488155), (62, 38912095), (95, 25395262), (149, 16191610), (155, 15564838), (190, 12697631), (298, 8095805), (310, 7782419), (589, 4096010), (745, 3238322), (1178, 2048005), (1490, 1619161), (2749, 877610), (2831, 852190), (2945, 819202), (4619, 522310), (5498, 438805), (5662, 426095), (5890, 409601), (9238, 261155), (13745, 175522), (14155, 170438), (23095, 104462), (27490, 87761), (28310, 85219), (46190, 52231)]