977102020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{19949}}^1$

素因数の和:20068

約数の個数: 48

約数和(自身を含む): 2145024000

約数和(自身を除く): 1167921980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 2449, 4898, 9796, 12245, 19949, 24490, 39898, 48980, 79796, 99745, 199490, 398980, 618419, 1236838, 1575971, 2473676, 3092095, 3151942, 6184190, 6303884, 7879855, 12368380, 15759710, 31519420, 48855101, 97710202, 195420404, 244275505, 488551010, 977102020]

約数ペア:

[(1, 977102020), (2, 488551010), (4, 244275505), (5, 195420404), (10, 97710202), (20, 48855101), (31, 31519420), (62, 15759710), (79, 12368380), (124, 7879855), (155, 6303884), (158, 6184190), (310, 3151942), (316, 3092095), (395, 2473676), (620, 1575971), (790, 1236838), (1580, 618419), (2449, 398980), (4898, 199490), (9796, 99745), (12245, 79796), (19949, 48980), (24490, 39898)]