28137100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 65620800

約数和(自身を除く): 37483700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 59, 76, 95, 100, 118, 190, 236, 251, 295, 380, 475, 502, 590, 950, 1004, 1121, 1180, 1255, 1475, 1900, 2242, 2510, 2950, 4484, 4769, 5020, 5605, 5900, 6275, 9538, 11210, 12550, 14809, 19076, 22420, 23845, 25100, 28025, 29618, 47690, 56050, 59236, 74045, 95380, 112100, 119225, 148090, 238450, 281371, 296180, 370225, 476900, 562742, 740450, 1125484, 1406855, 1480900, 2813710, 5627420, 7034275, 14068550, 28137100]

約数ペア:

[(1, 28137100), (2, 14068550), (4, 7034275), (5, 5627420), (10, 2813710), (19, 1480900), (20, 1406855), (25, 1125484), (38, 740450), (50, 562742), (59, 476900), (76, 370225), (95, 296180), (100, 281371), (118, 238450), (190, 148090), (236, 119225), (251, 112100), (295, 95380), (380, 74045), (475, 59236), (502, 56050), (590, 47690), (950, 29618), (1004, 28025), (1121, 25100), (1180, 23845), (1255, 22420), (1475, 19076), (1900, 14809), (2242, 12550), (2510, 11210), (2950, 9538), (4484, 6275), (4769, 5900), (5020, 5605)]