199888980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{19949}}^1$

素因数の和:20128

約数の個数: 48

約数和(自身を含む): 563068800

約数和(自身を除く): 363179820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 167, 334, 501, 668, 835, 1002, 1670, 2004, 2505, 3340, 5010, 10020, 19949, 39898, 59847, 79796, 99745, 119694, 199490, 239388, 299235, 398980, 598470, 1196940, 3331483, 6662966, 9994449, 13325932, 16657415, 19988898, 33314830, 39977796, 49972245, 66629660, 99944490, 199888980]

約数ペア:

[(1, 199888980), (2, 99944490), (3, 66629660), (4, 49972245), (5, 39977796), (6, 33314830), (10, 19988898), (12, 16657415), (15, 13325932), (20, 9994449), (30, 6662966), (60, 3331483), (167, 1196940), (334, 598470), (501, 398980), (668, 299235), (835, 239388), (1002, 199490), (1670, 119694), (2004, 99745), (2505, 79796), (3340, 59847), (5010, 39898), (10020, 19949)]