202161808820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{795349}}^1$

素因数の和:795608

約数の個数: 48

約数和(自身を含む): 432924912000

約数和(自身を除く): 230763103180

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 179, 284, 355, 358, 710, 716, 895, 1420, 1790, 3580, 12709, 25418, 50836, 63545, 127090, 254180, 795349, 1590698, 3181396, 3976745, 7953490, 15906980, 56469779, 112939558, 142367471, 225879116, 282348895, 284734942, 564697790, 569469884, 711837355, 1129395580, 1423674710, 2847349420, 10108090441, 20216180882, 40432361764, 50540452205, 101080904410, 202161808820]

約数ペア:

[(1, 202161808820), (2, 101080904410), (4, 50540452205), (5, 40432361764), (10, 20216180882), (20, 10108090441), (71, 2847349420), (142, 1423674710), (179, 1129395580), (284, 711837355), (355, 569469884), (358, 564697790), (710, 284734942), (716, 282348895), (895, 225879116), (1420, 142367471), (1790, 112939558), (3580, 56469779), (12709, 15906980), (25418, 7953490), (50836, 3976745), (63545, 3181396), (127090, 1590698), (254180, 795349)]