12378730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 27998208

約数和(自身を除く): 15619478

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 61, 65, 70, 91, 122, 130, 182, 223, 305, 427, 446, 455, 610, 793, 854, 910, 1115, 1561, 1586, 2135, 2230, 2899, 3122, 3965, 4270, 5551, 5798, 7805, 7930, 11102, 13603, 14495, 15610, 20293, 27206, 27755, 28990, 40586, 55510, 68015, 95221, 101465, 136030, 176839, 190442, 202930, 353678, 476105, 884195, 952210, 1237873, 1768390, 2475746, 6189365, 12378730]

約数ペア:

[(1, 12378730), (2, 6189365), (5, 2475746), (7, 1768390), (10, 1237873), (13, 952210), (14, 884195), (26, 476105), (35, 353678), (61, 202930), (65, 190442), (70, 176839), (91, 136030), (122, 101465), (130, 95221), (182, 68015), (223, 55510), (305, 40586), (427, 28990), (446, 27755), (455, 27206), (610, 20293), (793, 15610), (854, 14495), (910, 13603), (1115, 11102), (1561, 7930), (1586, 7805), (2135, 5798), (2230, 5551), (2899, 4270), (3122, 3965)]