28077630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:294

約数の個数: 128

約数和(自身を含む): 84049920

約数和(自身を除く): 55972290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 31, 35, 38, 42, 57, 62, 70, 93, 95, 105, 114, 133, 155, 186, 190, 210, 217, 227, 266, 285, 310, 399, 434, 454, 465, 570, 589, 651, 665, 681, 798, 930, 1085, 1135, 1178, 1302, 1330, 1362, 1589, 1767, 1995, 2170, 2270, 2945, 3178, 3255, 3405, 3534, 3990, 4123, 4313, 4767, 5890, 6510, 6810, 7037, 7945, 8246, 8626, 8835, 9534, 12369, 12939, 14074, 15890, 17670, 20615, 21111, 21565, 23835, 24738, 25878, 30191, 35185, 41230, 42222, 43130, 47670, 49259, 60382, 61845, 64695, 70370, 90573, 98518, 105555, 123690, 129390, 133703, 147777, 150955, 181146, 211110, 246295, 267406, 295554, 301910, 401109, 452865, 492590, 668515, 738885, 802218, 905730, 935921, 1337030, 1477770, 1871842, 2005545, 2807763, 4011090, 4679605, 5615526, 9359210, 14038815, 28077630]

約数ペア:

[(1, 28077630), (2, 14038815), (3, 9359210), (5, 5615526), (6, 4679605), (7, 4011090), (10, 2807763), (14, 2005545), (15, 1871842), (19, 1477770), (21, 1337030), (30, 935921), (31, 905730), (35, 802218), (38, 738885), (42, 668515), (57, 492590), (62, 452865), (70, 401109), (93, 301910), (95, 295554), (105, 267406), (114, 246295), (133, 211110), (155, 181146), (186, 150955), (190, 147777), (210, 133703), (217, 129390), (227, 123690), (266, 105555), (285, 98518), (310, 90573), (399, 70370), (434, 64695), (454, 61845), (465, 60382), (570, 49259), (589, 47670), (651, 43130), (665, 42222), (681, 41230), (798, 35185), (930, 30191), (1085, 25878), (1135, 24738), (1178, 23835), (1302, 21565), (1330, 21111), (1362, 20615), (1589, 17670), (1767, 15890), (1995, 14074), (2170, 12939), (2270, 12369), (2945, 9534), (3178, 8835), (3255, 8626), (3405, 8246), (3534, 7945), (3990, 7037), (4123, 6810), (4313, 6510), (4767, 5890)]