2103171940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{569}}^1$

素因数の和:805

約数の個数: 96

約数和(自身を含む): 4757356800

約数和(自身を除く): 2654184860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 137, 142, 190, 274, 284, 355, 380, 548, 569, 685, 710, 1138, 1349, 1370, 1420, 2276, 2603, 2698, 2740, 2845, 5206, 5396, 5690, 6745, 9727, 10412, 10811, 11380, 13015, 13490, 19454, 21622, 26030, 26980, 38908, 40399, 43244, 48635, 52060, 54055, 77953, 80798, 97270, 108110, 155906, 161596, 184813, 194540, 201995, 216220, 311812, 369626, 389765, 403990, 739252, 767581, 779530, 807980, 924065, 1481107, 1535162, 1559060, 1848130, 2962214, 3070324, 3696260, 3837905, 5534663, 5924428, 7405535, 7675810, 11069326, 14811070, 15351620, 22138652, 27673315, 29622140, 55346630, 105158597, 110693260, 210317194, 420634388, 525792985, 1051585970, 2103171940]

約数ペア:

[(1, 2103171940), (2, 1051585970), (4, 525792985), (5, 420634388), (10, 210317194), (19, 110693260), (20, 105158597), (38, 55346630), (71, 29622140), (76, 27673315), (95, 22138652), (137, 15351620), (142, 14811070), (190, 11069326), (274, 7675810), (284, 7405535), (355, 5924428), (380, 5534663), (548, 3837905), (569, 3696260), (685, 3070324), (710, 2962214), (1138, 1848130), (1349, 1559060), (1370, 1535162), (1420, 1481107), (2276, 924065), (2603, 807980), (2698, 779530), (2740, 767581), (2845, 739252), (5206, 403990), (5396, 389765), (5690, 369626), (6745, 311812), (9727, 216220), (10412, 201995), (10811, 194540), (11380, 184813), (13015, 161596), (13490, 155906), (19454, 108110), (21622, 97270), (26030, 80798), (26980, 77953), (38908, 54055), (40399, 52060), (43244, 48635)]