2805280460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{7331}}^1$

素因数の和:7431

約数の個数: 72

約数和(自身を含む): 6335639856

約数和(自身を除く): 3530359396

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 361, 380, 530, 722, 1007, 1060, 1444, 1805, 2014, 3610, 4028, 5035, 7220, 7331, 10070, 14662, 19133, 20140, 29324, 36655, 38266, 73310, 76532, 95665, 139289, 146620, 191330, 278578, 382660, 388543, 557156, 696445, 777086, 1392890, 1554172, 1942715, 2646491, 2785780, 3885430, 5292982, 7382317, 7770860, 10585964, 13232455, 14764634, 26464910, 29529268, 36911585, 52929820, 73823170, 140264023, 147646340, 280528046, 561056092, 701320115, 1402640230, 2805280460]

約数ペア:

[(1, 2805280460), (2, 1402640230), (4, 701320115), (5, 561056092), (10, 280528046), (19, 147646340), (20, 140264023), (38, 73823170), (53, 52929820), (76, 36911585), (95, 29529268), (106, 26464910), (190, 14764634), (212, 13232455), (265, 10585964), (361, 7770860), (380, 7382317), (530, 5292982), (722, 3885430), (1007, 2785780), (1060, 2646491), (1444, 1942715), (1805, 1554172), (2014, 1392890), (3610, 777086), (4028, 696445), (5035, 557156), (7220, 388543), (7331, 382660), (10070, 278578), (14662, 191330), (19133, 146620), (20140, 139289), (29324, 95665), (36655, 76532), (38266, 73310)]