72855460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 156643200

約数和(自身を除く): 83787740

約数列:

[1, 2, 4, 5, 10, 20, 73, 139, 146, 278, 292, 359, 365, 556, 695, 718, 730, 1390, 1436, 1460, 1795, 2780, 3590, 7180, 10147, 20294, 26207, 40588, 49901, 50735, 52414, 99802, 101470, 104828, 131035, 199604, 202940, 249505, 262070, 499010, 524140, 998020, 3642773, 7285546, 14571092, 18213865, 36427730, 72855460]

約数ペア:

[(1, 72855460), (2, 36427730), (4, 18213865), (5, 14571092), (10, 7285546), (20, 3642773), (73, 998020), (139, 524140), (146, 499010), (278, 262070), (292, 249505), (359, 202940), (365, 199604), (556, 131035), (695, 104828), (718, 101470), (730, 99802), (1390, 52414), (1436, 50735), (1460, 49901), (1795, 40588), (2780, 26207), (3590, 20294), (7180, 10147)]