1738444820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{42967}}^1$

素因数の和:43017

約数の個数: 72

約数和(自身を含む): 4432235136

約数和(自身を除く): 2693790316

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 476, 578, 595, 1156, 1190, 1445, 2023, 2380, 2890, 4046, 5780, 8092, 10115, 20230, 40460, 42967, 85934, 171868, 214835, 300769, 429670, 601538, 730439, 859340, 1203076, 1460878, 1503845, 2921756, 3007690, 3652195, 5113073, 6015380, 7304390, 10226146, 12417463, 14608780, 20452292, 24834926, 25565365, 49669852, 51130730, 62087315, 86922241, 102261460, 124174630, 173844482, 248349260, 347688964, 434611205, 869222410, 1738444820]

約数ペア:

[(1, 1738444820), (2, 869222410), (4, 434611205), (5, 347688964), (7, 248349260), (10, 173844482), (14, 124174630), (17, 102261460), (20, 86922241), (28, 62087315), (34, 51130730), (35, 49669852), (68, 25565365), (70, 24834926), (85, 20452292), (119, 14608780), (140, 12417463), (170, 10226146), (238, 7304390), (289, 6015380), (340, 5113073), (476, 3652195), (578, 3007690), (595, 2921756), (1156, 1503845), (1190, 1460878), (1445, 1203076), (2023, 859340), (2380, 730439), (2890, 601538), (4046, 429670), (5780, 300769), (8092, 214835), (10115, 171868), (20230, 85934), (40460, 42967)]