788778990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{55823}}^1$

素因数の和:55993

約数の個数: 48

約数和(自身を含む): 2063924928

約数和(自身を除く): 1275145938

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1413, 1570, 2355, 2826, 4710, 7065, 14130, 55823, 111646, 167469, 279115, 334938, 502407, 558230, 837345, 1004814, 1674690, 2512035, 5024070, 8764211, 17528422, 26292633, 43821055, 52585266, 78877899, 87642110, 131463165, 157755798, 262926330, 394389495, 788778990]

約数ペア:

[(1, 788778990), (2, 394389495), (3, 262926330), (5, 157755798), (6, 131463165), (9, 87642110), (10, 78877899), (15, 52585266), (18, 43821055), (30, 26292633), (45, 17528422), (90, 8764211), (157, 5024070), (314, 2512035), (471, 1674690), (785, 1004814), (942, 837345), (1413, 558230), (1570, 502407), (2355, 334938), (2826, 279115), (4710, 167469), (7065, 111646), (14130, 55823)]