56540900

素因数分解:

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

素因数の和:142

約数の個数: 144

約数和(自身を含む): 144657408

約数和(自身を除く): 88116508

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 31, 46, 50, 52, 61, 62, 65, 92, 100, 115, 122, 124, 130, 155, 230, 244, 260, 299, 305, 310, 325, 403, 460, 575, 598, 610, 620, 650, 713, 775, 793, 806, 1150, 1196, 1220, 1300, 1403, 1426, 1495, 1525, 1550, 1586, 1612, 1891, 2015, 2300, 2806, 2852, 2990, 3050, 3100, 3172, 3565, 3782, 3965, 4030, 5612, 5980, 6100, 7015, 7130, 7475, 7564, 7930, 8060, 9269, 9455, 10075, 14030, 14260, 14950, 15860, 17825, 18239, 18538, 18910, 19825, 20150, 24583, 28060, 29900, 35075, 35650, 36478, 37076, 37820, 39650, 40300, 43493, 46345, 47275, 49166, 70150, 71300, 72956, 79300, 86986, 91195, 92690, 94550, 98332, 122915, 140300, 173972, 182390, 185380, 189100, 217465, 231725, 245830, 364780, 434930, 455975, 463450, 491660, 565409, 614575, 869860, 911950, 926900, 1087325, 1130818, 1229150, 1823900, 2174650, 2261636, 2458300, 2827045, 4349300, 5654090, 11308180, 14135225, 28270450, 56540900]

約数ペア:

[(1, 56540900), (2, 28270450), (4, 14135225), (5, 11308180), (10, 5654090), (13, 4349300), (20, 2827045), (23, 2458300), (25, 2261636), (26, 2174650), (31, 1823900), (46, 1229150), (50, 1130818), (52, 1087325), (61, 926900), (62, 911950), (65, 869860), (92, 614575), (100, 565409), (115, 491660), (122, 463450), (124, 455975), (130, 434930), (155, 364780), (230, 245830), (244, 231725), (260, 217465), (299, 189100), (305, 185380), (310, 182390), (325, 173972), (403, 140300), (460, 122915), (575, 98332), (598, 94550), (610, 92690), (620, 91195), (650, 86986), (713, 79300), (775, 72956), (793, 71300), (806, 70150), (1150, 49166), (1196, 47275), (1220, 46345), (1300, 43493), (1403, 40300), (1426, 39650), (1495, 37820), (1525, 37076), (1550, 36478), (1586, 35650), (1612, 35075), (1891, 29900), (2015, 28060), (2300, 24583), (2806, 20150), (2852, 19825), (2990, 18910), (3050, 18538), (3100, 18239), (3172, 17825), (3565, 15860), (3782, 14950), (3965, 14260), (4030, 14030), (5612, 10075), (5980, 9455), (6100, 9269), (7015, 8060), (7130, 7930), (7475, 7564)]