74804180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4789}}^1$

素因数の和:4880

約数の個数: 48

約数和(自身を含む): 173819520

約数和(自身を除く): 99015340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 4789, 7810, 9578, 15620, 19156, 23945, 47890, 52679, 95780, 105358, 210716, 263395, 340019, 526790, 680038, 1053580, 1360076, 1700095, 3400190, 3740209, 6800380, 7480418, 14960836, 18701045, 37402090, 74804180]

約数ペア:

[(1, 74804180), (2, 37402090), (4, 18701045), (5, 14960836), (10, 7480418), (11, 6800380), (20, 3740209), (22, 3400190), (44, 1700095), (55, 1360076), (71, 1053580), (110, 680038), (142, 526790), (220, 340019), (284, 263395), (355, 210716), (710, 105358), (781, 95780), (1420, 52679), (1562, 47890), (3124, 23945), (3905, 19156), (4789, 15620), (7810, 9578)]