28909973830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{757}}^1$

素因数の和:1022

約数の個数: 96

約数和(自身を含む): 56142331200

約数和(自身を除く): 27232357370

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 149, 190, 298, 355, 361, 710, 722, 745, 757, 1349, 1490, 1514, 1805, 2698, 2831, 3610, 3785, 5662, 6745, 7570, 10579, 13490, 14155, 14383, 21158, 25631, 28310, 28766, 51262, 52895, 53747, 53789, 71915, 105790, 107494, 107578, 112793, 128155, 143830, 201001, 225586, 256310, 268735, 268945, 273277, 402002, 537470, 537890, 546554, 563965, 1005005, 1021193, 1127930, 1366385, 2010010, 2042386, 2143067, 2732770, 3819019, 4286134, 5105965, 7638038, 8008303, 10211930, 10715335, 16016606, 19095095, 19402667, 21430670, 38190190, 38805334, 40041515, 40718273, 80083030, 81436546, 97013335, 152157757, 194026670, 203591365, 304315514, 407182730, 760788785, 1521577570, 2890997383, 5781994766, 14454986915, 28909973830]

約数ペア:

[(1, 28909973830), (2, 14454986915), (5, 5781994766), (10, 2890997383), (19, 1521577570), (38, 760788785), (71, 407182730), (95, 304315514), (142, 203591365), (149, 194026670), (190, 152157757), (298, 97013335), (355, 81436546), (361, 80083030), (710, 40718273), (722, 40041515), (745, 38805334), (757, 38190190), (1349, 21430670), (1490, 19402667), (1514, 19095095), (1805, 16016606), (2698, 10715335), (2831, 10211930), (3610, 8008303), (3785, 7638038), (5662, 5105965), (6745, 4286134), (7570, 3819019), (10579, 2732770), (13490, 2143067), (14155, 2042386), (14383, 2010010), (21158, 1366385), (25631, 1127930), (28310, 1021193), (28766, 1005005), (51262, 563965), (52895, 546554), (53747, 537890), (53789, 537470), (71915, 402002), (105790, 273277), (107494, 268945), (107578, 268735), (112793, 256310), (128155, 225586), (143830, 201001)]