208075100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{67121}}^1$

素因数の和:67166

約数の個数: 36

約数和(自身を含む): 466095168

約数和(自身を除く): 258020068

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 67121, 134242, 268484, 335605, 671210, 1342420, 1678025, 2080751, 3356050, 4161502, 6712100, 8323004, 10403755, 20807510, 41615020, 52018775, 104037550, 208075100]

約数ペア:

[(1, 208075100), (2, 104037550), (4, 52018775), (5, 41615020), (10, 20807510), (20, 10403755), (25, 8323004), (31, 6712100), (50, 4161502), (62, 3356050), (100, 2080751), (124, 1678025), (155, 1342420), (310, 671210), (620, 335605), (775, 268484), (1550, 134242), (3100, 67121)]