28270450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 61996032

約数和(自身を除く): 33725582

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 31, 46, 50, 61, 62, 65, 115, 122, 130, 155, 230, 299, 305, 310, 325, 403, 575, 598, 610, 650, 713, 775, 793, 806, 1150, 1403, 1426, 1495, 1525, 1550, 1586, 1891, 2015, 2806, 2990, 3050, 3565, 3782, 3965, 4030, 7015, 7130, 7475, 7930, 9269, 9455, 10075, 14030, 14950, 17825, 18239, 18538, 18910, 19825, 20150, 24583, 35075, 35650, 36478, 39650, 43493, 46345, 47275, 49166, 70150, 86986, 91195, 92690, 94550, 122915, 182390, 217465, 231725, 245830, 434930, 455975, 463450, 565409, 614575, 911950, 1087325, 1130818, 1229150, 2174650, 2827045, 5654090, 14135225, 28270450]

約数ペア:

[(1, 28270450), (2, 14135225), (5, 5654090), (10, 2827045), (13, 2174650), (23, 1229150), (25, 1130818), (26, 1087325), (31, 911950), (46, 614575), (50, 565409), (61, 463450), (62, 455975), (65, 434930), (115, 245830), (122, 231725), (130, 217465), (155, 182390), (230, 122915), (299, 94550), (305, 92690), (310, 91195), (325, 86986), (403, 70150), (575, 49166), (598, 47275), (610, 46345), (650, 43493), (713, 39650), (775, 36478), (793, 35650), (806, 35075), (1150, 24583), (1403, 20150), (1426, 19825), (1495, 18910), (1525, 18538), (1550, 18239), (1586, 17825), (1891, 14950), (2015, 14030), (2806, 10075), (2990, 9455), (3050, 9269), (3565, 7930), (3782, 7475), (3965, 7130), (4030, 7015)]