289091810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:1011

約数の個数: 64

約数和(自身を含む): 612817920

約数和(自身を除く): 323726110

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 79, 122, 158, 305, 395, 427, 553, 610, 790, 854, 857, 1106, 1714, 2135, 2765, 4270, 4285, 4819, 5530, 5999, 8570, 9638, 11998, 24095, 29995, 33733, 48190, 52277, 59990, 67466, 67703, 104554, 135406, 168665, 261385, 337330, 338515, 365939, 473921, 522770, 677030, 731878, 947842, 1829695, 2369605, 3659390, 4129883, 4739210, 8259766, 20649415, 28909181, 41298830, 57818362, 144545905, 289091810]

約数ペア:

[(1, 289091810), (2, 144545905), (5, 57818362), (7, 41298830), (10, 28909181), (14, 20649415), (35, 8259766), (61, 4739210), (70, 4129883), (79, 3659390), (122, 2369605), (158, 1829695), (305, 947842), (395, 731878), (427, 677030), (553, 522770), (610, 473921), (790, 365939), (854, 338515), (857, 337330), (1106, 261385), (1714, 168665), (2135, 135406), (2765, 104554), (4270, 67703), (4285, 67466), (4819, 59990), (5530, 52277), (5999, 48190), (8570, 33733), (9638, 29995), (11998, 24095)]