8929240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 21888000

約数和(自身を除く): 12958760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 379, 380, 589, 620, 758, 760, 1178, 1240, 1516, 1895, 2356, 2945, 3032, 3790, 4712, 5890, 7201, 7580, 11749, 11780, 14402, 15160, 23498, 23560, 28804, 36005, 46996, 57608, 58745, 72010, 93992, 117490, 144020, 223231, 234980, 288040, 446462, 469960, 892924, 1116155, 1785848, 2232310, 4464620, 8929240]

約数ペア:

[(1, 8929240), (2, 4464620), (4, 2232310), (5, 1785848), (8, 1116155), (10, 892924), (19, 469960), (20, 446462), (31, 288040), (38, 234980), (40, 223231), (62, 144020), (76, 117490), (95, 93992), (124, 72010), (152, 58745), (155, 57608), (190, 46996), (248, 36005), (310, 28804), (379, 23560), (380, 23498), (589, 15160), (620, 14402), (758, 11780), (760, 11749), (1178, 7580), (1240, 7201), (1516, 5890), (1895, 4712), (2356, 3790), (2945, 3032)]