122252500

素因数分解:

$2^2\times 5^4\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:722

約数の個数: 60

約数和(自身を含む): 271163200

約数和(自身を除く): 148910700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 395, 500, 619, 625, 790, 1238, 1250, 1580, 1975, 2476, 2500, 3095, 3950, 6190, 7900, 9875, 12380, 15475, 19750, 30950, 39500, 48901, 49375, 61900, 77375, 97802, 98750, 154750, 195604, 197500, 244505, 309500, 386875, 489010, 773750, 978020, 1222525, 1547500, 2445050, 4890100, 6112625, 12225250, 24450500, 30563125, 61126250, 122252500]

約数ペア:

[(1, 122252500), (2, 61126250), (4, 30563125), (5, 24450500), (10, 12225250), (20, 6112625), (25, 4890100), (50, 2445050), (79, 1547500), (100, 1222525), (125, 978020), (158, 773750), (250, 489010), (316, 386875), (395, 309500), (500, 244505), (619, 197500), (625, 195604), (790, 154750), (1238, 98750), (1250, 97802), (1580, 77375), (1975, 61900), (2476, 49375), (2500, 48901), (3095, 39500), (3950, 30950), (6190, 19750), (7900, 15475), (9875, 12380)]