28245930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 69984000

約数和(自身を除く): 41738070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 89, 142, 149, 178, 213, 267, 298, 355, 426, 445, 447, 534, 710, 745, 890, 894, 1065, 1335, 1490, 2130, 2235, 2670, 4470, 6319, 10579, 12638, 13261, 18957, 21158, 26522, 31595, 31737, 37914, 39783, 52895, 63190, 63474, 66305, 79566, 94785, 105790, 132610, 158685, 189570, 198915, 317370, 397830, 941531, 1883062, 2824593, 4707655, 5649186, 9415310, 14122965, 28245930]

約数ペア:

[(1, 28245930), (2, 14122965), (3, 9415310), (5, 5649186), (6, 4707655), (10, 2824593), (15, 1883062), (30, 941531), (71, 397830), (89, 317370), (142, 198915), (149, 189570), (178, 158685), (213, 132610), (267, 105790), (298, 94785), (355, 79566), (426, 66305), (445, 63474), (447, 63190), (534, 52895), (710, 39783), (745, 37914), (890, 31737), (894, 31595), (1065, 26522), (1335, 21158), (1490, 18957), (2130, 13261), (2235, 12638), (2670, 10579), (4470, 6319)]