697286020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1\times {\mathrm{1181}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 1495873008

約数和(自身を除く): 798586988

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 557, 1060, 1114, 1181, 2228, 2362, 2785, 4724, 5570, 5905, 11140, 11810, 23620, 29521, 59042, 62593, 118084, 125186, 147605, 250372, 295210, 312965, 590420, 625930, 657817, 1251860, 1315634, 2631268, 3289085, 6578170, 13156340, 34864301, 69728602, 139457204, 174321505, 348643010, 697286020]

約数ペア:

[(1, 697286020), (2, 348643010), (4, 174321505), (5, 139457204), (10, 69728602), (20, 34864301), (53, 13156340), (106, 6578170), (212, 3289085), (265, 2631268), (530, 1315634), (557, 1251860), (1060, 657817), (1114, 625930), (1181, 590420), (2228, 312965), (2362, 295210), (2785, 250372), (4724, 147605), (5570, 125186), (5905, 118084), (11140, 62593), (11810, 59042), (23620, 29521)]