100998100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{919}}^1$

素因数の和:1097

約数の個数: 72

約数和(自身を含む): 252344960

約数和(自身を除く): 151346860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 157, 175, 314, 350, 628, 700, 785, 919, 1099, 1570, 1838, 2198, 3140, 3676, 3925, 4396, 4595, 5495, 6433, 7850, 9190, 10990, 12866, 15700, 18380, 21980, 22975, 25732, 27475, 32165, 45950, 54950, 64330, 91900, 109900, 128660, 144283, 160825, 288566, 321650, 577132, 643300, 721415, 1009981, 1442830, 2019962, 2885660, 3607075, 4039924, 5049905, 7214150, 10099810, 14428300, 20199620, 25249525, 50499050, 100998100]

約数ペア:

[(1, 100998100), (2, 50499050), (4, 25249525), (5, 20199620), (7, 14428300), (10, 10099810), (14, 7214150), (20, 5049905), (25, 4039924), (28, 3607075), (35, 2885660), (50, 2019962), (70, 1442830), (100, 1009981), (140, 721415), (157, 643300), (175, 577132), (314, 321650), (350, 288566), (628, 160825), (700, 144283), (785, 128660), (919, 109900), (1099, 91900), (1570, 64330), (1838, 54950), (2198, 45950), (3140, 32165), (3676, 27475), (3925, 25732), (4396, 22975), (4595, 21980), (5495, 18380), (6433, 15700), (7850, 12866), (9190, 10990)]