13998440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 33652800

約数和(自身を除く): 19654360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 113, 152, 163, 190, 226, 326, 380, 452, 565, 652, 760, 815, 904, 1130, 1304, 1630, 2147, 2260, 3097, 3260, 4294, 4520, 6194, 6520, 8588, 10735, 12388, 15485, 17176, 18419, 21470, 24776, 30970, 36838, 42940, 61940, 73676, 85880, 92095, 123880, 147352, 184190, 349961, 368380, 699922, 736760, 1399844, 1749805, 2799688, 3499610, 6999220, 13998440]

約数ペア:

[(1, 13998440), (2, 6999220), (4, 3499610), (5, 2799688), (8, 1749805), (10, 1399844), (19, 736760), (20, 699922), (38, 368380), (40, 349961), (76, 184190), (95, 147352), (113, 123880), (152, 92095), (163, 85880), (190, 73676), (226, 61940), (326, 42940), (380, 36838), (452, 30970), (565, 24776), (652, 21470), (760, 18419), (815, 17176), (904, 15485), (1130, 12388), (1304, 10735), (1630, 8588), (2147, 6520), (2260, 6194), (3097, 4520), (3260, 4294)]