81325300

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{2371}}^1$

素因数の和:2406

約数の個数: 72

約数和(自身を含む): 205889600

約数和(自身を除く): 124564300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 686, 700, 980, 1225, 1372, 1715, 2371, 2450, 3430, 4742, 4900, 6860, 8575, 9484, 11855, 16597, 17150, 23710, 33194, 34300, 47420, 59275, 66388, 82985, 116179, 118550, 165970, 232358, 237100, 331940, 414925, 464716, 580895, 813253, 829850, 1161790, 1626506, 1659700, 2323580, 2904475, 3253012, 4066265, 5808950, 8132530, 11617900, 16265060, 20331325, 40662650, 81325300]

約数ペア:

[(1, 81325300), (2, 40662650), (4, 20331325), (5, 16265060), (7, 11617900), (10, 8132530), (14, 5808950), (20, 4066265), (25, 3253012), (28, 2904475), (35, 2323580), (49, 1659700), (50, 1626506), (70, 1161790), (98, 829850), (100, 813253), (140, 580895), (175, 464716), (196, 414925), (245, 331940), (343, 237100), (350, 232358), (490, 165970), (686, 118550), (700, 116179), (980, 82985), (1225, 66388), (1372, 59275), (1715, 47420), (2371, 34300), (2450, 33194), (3430, 23710), (4742, 17150), (4900, 16597), (6860, 11855), (8575, 9484)]