74978150

素因数分解:

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

素因数の和:178

約数の個数: 72

約数和(自身を含む): 157614912

約数和(自身を除く): 82636762

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 61, 62, 65, 122, 130, 155, 305, 310, 325, 403, 610, 650, 775, 793, 806, 1525, 1550, 1586, 1891, 2015, 3050, 3721, 3782, 3965, 4030, 7442, 7930, 9455, 10075, 18605, 18910, 19825, 20150, 24583, 37210, 39650, 47275, 48373, 49166, 93025, 94550, 96746, 115351, 122915, 186050, 230702, 241865, 245830, 483730, 576755, 614575, 1153510, 1209325, 1229150, 1499563, 2418650, 2883775, 2999126, 5767550, 7497815, 14995630, 37489075, 74978150]

約数ペア:

[(1, 74978150), (2, 37489075), (5, 14995630), (10, 7497815), (13, 5767550), (25, 2999126), (26, 2883775), (31, 2418650), (50, 1499563), (61, 1229150), (62, 1209325), (65, 1153510), (122, 614575), (130, 576755), (155, 483730), (305, 245830), (310, 241865), (325, 230702), (403, 186050), (610, 122915), (650, 115351), (775, 96746), (793, 94550), (806, 93025), (1525, 49166), (1550, 48373), (1586, 47275), (1891, 39650), (2015, 37210), (3050, 24583), (3721, 20150), (3782, 19825), (3965, 18910), (4030, 18605), (7442, 10075), (7930, 9455)]