77890290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1373}}^1$

素因数の和:1475

約数の個数: 64

約数和(自身を含む): 196273152

約数和(自身を除く): 118382862

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 61, 62, 93, 122, 155, 183, 186, 305, 310, 366, 465, 610, 915, 930, 1373, 1830, 1891, 2746, 3782, 4119, 5673, 6865, 8238, 9455, 11346, 13730, 18910, 20595, 28365, 41190, 42563, 56730, 83753, 85126, 127689, 167506, 212815, 251259, 255378, 418765, 425630, 502518, 638445, 837530, 1256295, 1276890, 2512590, 2596343, 5192686, 7789029, 12981715, 15578058, 25963430, 38945145, 77890290]

約数ペア:

[(1, 77890290), (2, 38945145), (3, 25963430), (5, 15578058), (6, 12981715), (10, 7789029), (15, 5192686), (30, 2596343), (31, 2512590), (61, 1276890), (62, 1256295), (93, 837530), (122, 638445), (155, 502518), (183, 425630), (186, 418765), (305, 255378), (310, 251259), (366, 212815), (465, 167506), (610, 127689), (915, 85126), (930, 83753), (1373, 56730), (1830, 42563), (1891, 41190), (2746, 28365), (3782, 20595), (4119, 18910), (5673, 13730), (6865, 11346), (8238, 9455)]