17858480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 45235200

約数和(自身を除く): 27376720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 379, 380, 496, 589, 620, 758, 760, 1178, 1240, 1516, 1520, 1895, 2356, 2480, 2945, 3032, 3790, 4712, 5890, 6064, 7201, 7580, 9424, 11749, 11780, 14402, 15160, 23498, 23560, 28804, 30320, 36005, 46996, 47120, 57608, 58745, 72010, 93992, 115216, 117490, 144020, 187984, 223231, 234980, 288040, 446462, 469960, 576080, 892924, 939920, 1116155, 1785848, 2232310, 3571696, 4464620, 8929240, 17858480]

約数ペア:

[(1, 17858480), (2, 8929240), (4, 4464620), (5, 3571696), (8, 2232310), (10, 1785848), (16, 1116155), (19, 939920), (20, 892924), (31, 576080), (38, 469960), (40, 446462), (62, 288040), (76, 234980), (80, 223231), (95, 187984), (124, 144020), (152, 117490), (155, 115216), (190, 93992), (248, 72010), (304, 58745), (310, 57608), (379, 47120), (380, 46996), (496, 36005), (589, 30320), (620, 28804), (758, 23560), (760, 23498), (1178, 15160), (1240, 14402), (1516, 11780), (1520, 11749), (1895, 9424), (2356, 7580), (2480, 7201), (2945, 6064), (3032, 5890), (3790, 4712)]