215540650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1487}}^1$

素因数の和:1735

約数の個数: 48

約数和(自身を含む): 433972224

約数和(自身を除く): 218431574

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 223, 325, 446, 650, 1115, 1487, 2230, 2899, 2974, 5575, 5798, 7435, 11150, 14495, 14870, 19331, 28990, 37175, 38662, 72475, 74350, 96655, 144950, 193310, 331601, 483275, 663202, 966550, 1658005, 3316010, 4310813, 8290025, 8621626, 16580050, 21554065, 43108130, 107770325, 215540650]

約数ペア:

[(1, 215540650), (2, 107770325), (5, 43108130), (10, 21554065), (13, 16580050), (25, 8621626), (26, 8290025), (50, 4310813), (65, 3316010), (130, 1658005), (223, 966550), (325, 663202), (446, 483275), (650, 331601), (1115, 193310), (1487, 144950), (2230, 96655), (2899, 74350), (2974, 72475), (5575, 38662), (5798, 37175), (7435, 28990), (11150, 19331), (14495, 14870)]