4499960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 11059200

約数和(自身を除く): 6559240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 191, 248, 310, 380, 382, 589, 620, 760, 764, 955, 1178, 1240, 1528, 1910, 2356, 2945, 3629, 3820, 4712, 5890, 5921, 7258, 7640, 11780, 11842, 14516, 18145, 23560, 23684, 29032, 29605, 36290, 47368, 59210, 72580, 112499, 118420, 145160, 224998, 236840, 449996, 562495, 899992, 1124990, 2249980, 4499960]

約数ペア:

[(1, 4499960), (2, 2249980), (4, 1124990), (5, 899992), (8, 562495), (10, 449996), (19, 236840), (20, 224998), (31, 145160), (38, 118420), (40, 112499), (62, 72580), (76, 59210), (95, 47368), (124, 36290), (152, 29605), (155, 29032), (190, 23684), (191, 23560), (248, 18145), (310, 14516), (380, 11842), (382, 11780), (589, 7640), (620, 7258), (760, 5921), (764, 5890), (955, 4712), (1178, 3820), (1240, 3629), (1528, 2945), (1910, 2356)]