1143740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 2667168

約数和(自身を除く): 1523428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 83, 106, 130, 166, 212, 260, 265, 332, 415, 530, 689, 830, 1060, 1079, 1378, 1660, 2158, 2756, 3445, 4316, 4399, 5395, 6890, 8798, 10790, 13780, 17596, 21580, 21995, 43990, 57187, 87980, 114374, 228748, 285935, 571870, 1143740]

約数ペア:

[(1, 1143740), (2, 571870), (4, 285935), (5, 228748), (10, 114374), (13, 87980), (20, 57187), (26, 43990), (52, 21995), (53, 21580), (65, 17596), (83, 13780), (106, 10790), (130, 8798), (166, 6890), (212, 5395), (260, 4399), (265, 4316), (332, 3445), (415, 2756), (530, 2158), (689, 1660), (830, 1378), (1060, 1079)]