74920180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{811}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 163699200

約数和(自身を除く): 88779020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 620, 745, 811, 1490, 1622, 2980, 3244, 4055, 4619, 8110, 9238, 16220, 18476, 23095, 25141, 46190, 50282, 92380, 100564, 120839, 125705, 241678, 251410, 483356, 502820, 604195, 1208390, 2416780, 3746009, 7492018, 14984036, 18730045, 37460090, 74920180]

約数ペア:

[(1, 74920180), (2, 37460090), (4, 18730045), (5, 14984036), (10, 7492018), (20, 3746009), (31, 2416780), (62, 1208390), (124, 604195), (149, 502820), (155, 483356), (298, 251410), (310, 241678), (596, 125705), (620, 120839), (745, 100564), (811, 92380), (1490, 50282), (1622, 46190), (2980, 25141), (3244, 23095), (4055, 18476), (4619, 16220), (8110, 9238)]