2219960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 5529600

約数和(自身を除く): 3309640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 127, 152, 184, 190, 230, 254, 380, 437, 460, 508, 635, 760, 874, 920, 1016, 1270, 1748, 2185, 2413, 2540, 2921, 3496, 4370, 4826, 5080, 5842, 8740, 9652, 11684, 12065, 14605, 17480, 19304, 23368, 24130, 29210, 48260, 55499, 58420, 96520, 110998, 116840, 221996, 277495, 443992, 554990, 1109980, 2219960]

約数ペア:

[(1, 2219960), (2, 1109980), (4, 554990), (5, 443992), (8, 277495), (10, 221996), (19, 116840), (20, 110998), (23, 96520), (38, 58420), (40, 55499), (46, 48260), (76, 29210), (92, 24130), (95, 23368), (115, 19304), (127, 17480), (152, 14605), (184, 12065), (190, 11684), (230, 9652), (254, 8740), (380, 5842), (437, 5080), (460, 4826), (508, 4370), (635, 3496), (760, 2921), (874, 2540), (920, 2413), (1016, 2185), (1270, 1748)]