123144400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{9931}}^1$

素因数の和:9980

約数の個数: 60

約数和(自身を含む): 305428864

約数和(自身を除く): 182284464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 9931, 12400, 19862, 39724, 49655, 79448, 99310, 158896, 198620, 248275, 307861, 397240, 496550, 615722, 794480, 993100, 1231444, 1539305, 1986200, 2462888, 3078610, 3972400, 4925776, 6157220, 7696525, 12314440, 15393050, 24628880, 30786100, 61572200, 123144400]

約数ペア:

[(1, 123144400), (2, 61572200), (4, 30786100), (5, 24628880), (8, 15393050), (10, 12314440), (16, 7696525), (20, 6157220), (25, 4925776), (31, 3972400), (40, 3078610), (50, 2462888), (62, 1986200), (80, 1539305), (100, 1231444), (124, 993100), (155, 794480), (200, 615722), (248, 496550), (310, 397240), (400, 307861), (496, 248275), (620, 198620), (775, 158896), (1240, 99310), (1550, 79448), (2480, 49655), (3100, 39724), (6200, 19862), (9931, 12400)]