28339650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:976

約数の個数: 72

約数和(自身を含む): 77298624

約数和(自身を除く): 48958974

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 142, 150, 213, 225, 355, 426, 450, 639, 710, 887, 1065, 1278, 1774, 1775, 2130, 2661, 3195, 3550, 4435, 5322, 5325, 6390, 7983, 8870, 10650, 13305, 15966, 15975, 22175, 26610, 31950, 39915, 44350, 62977, 66525, 79830, 125954, 133050, 188931, 199575, 314885, 377862, 399150, 566793, 629770, 944655, 1133586, 1574425, 1889310, 2833965, 3148850, 4723275, 5667930, 9446550, 14169825, 28339650]

約数ペア:

[(1, 28339650), (2, 14169825), (3, 9446550), (5, 5667930), (6, 4723275), (9, 3148850), (10, 2833965), (15, 1889310), (18, 1574425), (25, 1133586), (30, 944655), (45, 629770), (50, 566793), (71, 399150), (75, 377862), (90, 314885), (142, 199575), (150, 188931), (213, 133050), (225, 125954), (355, 79830), (426, 66525), (450, 62977), (639, 44350), (710, 39915), (887, 31950), (1065, 26610), (1278, 22175), (1774, 15975), (1775, 15966), (2130, 13305), (2661, 10650), (3195, 8870), (3550, 7983), (4435, 6390), (5322, 5325)]