837290420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{2749}}^1$

素因数の和:3012

約数の個数: 48

約数和(自身を含む): 1788402000

約数和(自身を除く): 951111580

約数列:

[1, 2, 4, 5, 10, 20, 97, 157, 194, 314, 388, 485, 628, 785, 970, 1570, 1940, 2749, 3140, 5498, 10996, 13745, 15229, 27490, 30458, 54980, 60916, 76145, 152290, 266653, 304580, 431593, 533306, 863186, 1066612, 1333265, 1726372, 2157965, 2666530, 4315930, 5333060, 8631860, 41864521, 83729042, 167458084, 209322605, 418645210, 837290420]

約数ペア:

[(1, 837290420), (2, 418645210), (4, 209322605), (5, 167458084), (10, 83729042), (20, 41864521), (97, 8631860), (157, 5333060), (194, 4315930), (314, 2666530), (388, 2157965), (485, 1726372), (628, 1333265), (785, 1066612), (970, 863186), (1570, 533306), (1940, 431593), (2749, 304580), (3140, 266653), (5498, 152290), (10996, 76145), (13745, 60916), (15229, 54980), (27490, 30458)]