1958903980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{145969}}^1$

素因数の和:146050

約数の個数: 48

約数和(自身を含む): 4561270560

約数和(自身を除く): 2602366580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 145969, 291938, 583876, 729845, 1459690, 1605659, 2919380, 3211318, 6422636, 8028295, 8904109, 16056590, 17808218, 32113180, 35616436, 44520545, 89041090, 97945199, 178082180, 195890398, 391780796, 489725995, 979451990, 1958903980]

約数ペア:

[(1, 1958903980), (2, 979451990), (4, 489725995), (5, 391780796), (10, 195890398), (11, 178082180), (20, 97945199), (22, 89041090), (44, 44520545), (55, 35616436), (61, 32113180), (110, 17808218), (122, 16056590), (220, 8904109), (244, 8028295), (305, 6422636), (610, 3211318), (671, 2919380), (1220, 1605659), (1342, 1459690), (2684, 729845), (3355, 583876), (6710, 291938), (13420, 145969)]