2249980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 5160960

約数和(自身を除く): 2910980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 191, 310, 380, 382, 589, 620, 764, 955, 1178, 1910, 2356, 2945, 3629, 3820, 5890, 5921, 7258, 11780, 11842, 14516, 18145, 23684, 29605, 36290, 59210, 72580, 112499, 118420, 224998, 449996, 562495, 1124990, 2249980]

約数ペア:

[(1, 2249980), (2, 1124990), (4, 562495), (5, 449996), (10, 224998), (19, 118420), (20, 112499), (31, 72580), (38, 59210), (62, 36290), (76, 29605), (95, 23684), (124, 18145), (155, 14516), (190, 11842), (191, 11780), (310, 7258), (380, 5921), (382, 5890), (589, 3820), (620, 3629), (764, 2945), (955, 2356), (1178, 1910)]