1444641820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{1721}}^1$

素因数の和:1843

約数の個数: 72

約数和(自身を含む): 3264705360

約数和(自身を除く): 1820063540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1721, 1786, 2209, 3442, 3572, 4418, 4465, 6884, 8605, 8836, 8930, 11045, 17210, 17860, 22090, 32699, 34420, 41971, 44180, 65398, 80887, 83942, 130796, 161774, 163495, 167884, 209855, 323548, 326990, 404435, 419710, 653980, 808870, 839420, 1536853, 1617740, 3073706, 3801689, 6147412, 7603378, 7684265, 15206756, 15368530, 19008445, 30737060, 38016890, 72232091, 76033780, 144464182, 288928364, 361160455, 722320910, 1444641820]

約数ペア:

[(1, 1444641820), (2, 722320910), (4, 361160455), (5, 288928364), (10, 144464182), (19, 76033780), (20, 72232091), (38, 38016890), (47, 30737060), (76, 19008445), (94, 15368530), (95, 15206756), (188, 7684265), (190, 7603378), (235, 6147412), (380, 3801689), (470, 3073706), (893, 1617740), (940, 1536853), (1721, 839420), (1786, 808870), (2209, 653980), (3442, 419710), (3572, 404435), (4418, 326990), (4465, 323548), (6884, 209855), (8605, 167884), (8836, 163495), (8930, 161774), (11045, 130796), (17210, 83942), (17860, 80887), (22090, 65398), (32699, 44180), (34420, 41971)]