30220925

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 46128000

約数和(自身を除く): 15907075

約数列:

[1, 5, 7, 19, 25, 35, 61, 95, 133, 149, 175, 305, 427, 475, 665, 745, 1043, 1159, 1525, 2135, 2831, 3325, 3725, 5215, 5795, 8113, 9089, 10675, 14155, 19817, 26075, 28975, 40565, 45445, 63623, 70775, 99085, 172691, 202825, 227225, 318115, 495425, 863455, 1208837, 1590575, 4317275, 6044185, 30220925]

約数ペア:

[(1, 30220925), (5, 6044185), (7, 4317275), (19, 1590575), (25, 1208837), (35, 863455), (61, 495425), (95, 318115), (133, 227225), (149, 202825), (175, 172691), (305, 99085), (427, 70775), (475, 63623), (665, 45445), (745, 40565), (1043, 28975), (1159, 26075), (1525, 19817), (2135, 14155), (2831, 10675), (3325, 9089), (3725, 8113), (5215, 5795)]