49248940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{617}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 111922272

約数和(自身を除く): 62673332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 307, 614, 617, 1228, 1234, 1535, 2468, 3070, 3085, 3991, 6140, 6170, 7982, 8021, 12340, 15964, 16042, 19955, 32084, 39910, 40105, 79820, 80210, 160420, 189419, 378838, 757676, 947095, 1894190, 2462447, 3788380, 4924894, 9849788, 12312235, 24624470, 49248940]

約数ペア:

[(1, 49248940), (2, 24624470), (4, 12312235), (5, 9849788), (10, 4924894), (13, 3788380), (20, 2462447), (26, 1894190), (52, 947095), (65, 757676), (130, 378838), (260, 189419), (307, 160420), (614, 80210), (617, 79820), (1228, 40105), (1234, 39910), (1535, 32084), (2468, 19955), (3070, 16042), (3085, 15964), (3991, 12340), (6140, 8021), (6170, 7982)]