79551100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 183582000

約数和(自身を除く): 104030900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 149, 190, 281, 298, 380, 475, 562, 596, 745, 950, 1124, 1405, 1490, 1900, 2810, 2831, 2980, 3725, 5339, 5620, 5662, 7025, 7450, 10678, 11324, 14050, 14155, 14900, 21356, 26695, 28100, 28310, 41869, 53390, 56620, 70775, 83738, 106780, 133475, 141550, 167476, 209345, 266950, 283100, 418690, 533900, 795511, 837380, 1046725, 1591022, 2093450, 3182044, 3977555, 4186900, 7955110, 15910220, 19887775, 39775550, 79551100]

約数ペア:

[(1, 79551100), (2, 39775550), (4, 19887775), (5, 15910220), (10, 7955110), (19, 4186900), (20, 3977555), (25, 3182044), (38, 2093450), (50, 1591022), (76, 1046725), (95, 837380), (100, 795511), (149, 533900), (190, 418690), (281, 283100), (298, 266950), (380, 209345), (475, 167476), (562, 141550), (596, 133475), (745, 106780), (950, 83738), (1124, 70775), (1405, 56620), (1490, 53390), (1900, 41869), (2810, 28310), (2831, 28100), (2980, 26695), (3725, 21356), (5339, 14900), (5620, 14155), (5662, 14050), (7025, 11324), (7450, 10678)]