455440880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19699}}^1$

素因数の和:19746

約数の個数: 60

約数和(自身を含む): 1124909400

約数和(自身を除く): 669468520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 2312, 2890, 4624, 5780, 11560, 19699, 23120, 39398, 78796, 98495, 157592, 196990, 315184, 334883, 393980, 669766, 787960, 1339532, 1575920, 1674415, 2679064, 3348830, 5358128, 5693011, 6697660, 11386022, 13395320, 22772044, 26790640, 28465055, 45544088, 56930110, 91088176, 113860220, 227720440, 455440880]

約数ペア:

[(1, 455440880), (2, 227720440), (4, 113860220), (5, 91088176), (8, 56930110), (10, 45544088), (16, 28465055), (17, 26790640), (20, 22772044), (34, 13395320), (40, 11386022), (68, 6697660), (80, 5693011), (85, 5358128), (136, 3348830), (170, 2679064), (272, 1674415), (289, 1575920), (340, 1339532), (578, 787960), (680, 669766), (1156, 393980), (1360, 334883), (1445, 315184), (2312, 196990), (2890, 157592), (4624, 98495), (5780, 78796), (11560, 39398), (19699, 23120)]