220521392

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{487}}^1$

素因数の和:826

約数の個数: 80

約数和(自身を含む): 528632832

約数和(自身を除く): 308111440

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 311, 364, 487, 622, 728, 974, 1244, 1456, 1948, 2177, 2488, 3409, 3896, 4043, 4354, 4976, 6331, 6818, 7792, 8086, 8708, 12662, 13636, 16172, 17416, 25324, 27272, 28301, 32344, 34832, 44317, 50648, 54544, 56602, 64688, 88634, 101296, 113204, 151457, 177268, 226408, 302914, 354536, 452816, 605828, 709072, 1060199, 1211656, 1968941, 2120398, 2423312, 3937882, 4240796, 7875764, 8481592, 13782587, 15751528, 16963184, 27565174, 31503056, 55130348, 110260696, 220521392]

約数ペア:

[(1, 220521392), (2, 110260696), (4, 55130348), (7, 31503056), (8, 27565174), (13, 16963184), (14, 15751528), (16, 13782587), (26, 8481592), (28, 7875764), (52, 4240796), (56, 3937882), (91, 2423312), (104, 2120398), (112, 1968941), (182, 1211656), (208, 1060199), (311, 709072), (364, 605828), (487, 452816), (622, 354536), (728, 302914), (974, 226408), (1244, 177268), (1456, 151457), (1948, 113204), (2177, 101296), (2488, 88634), (3409, 64688), (3896, 56602), (4043, 54544), (4354, 50648), (4976, 44317), (6331, 34832), (6818, 32344), (7792, 28301), (8086, 27272), (8708, 25324), (12662, 17416), (13636, 16172)]