1220190140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{361003}}^1$

素因数の和:361038

約数の個数: 36

約数和(自身を含む): 2774676744

約数和(自身を除く): 1554486604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 361003, 722006, 1444012, 1805015, 3610030, 4693039, 7220060, 9386078, 18772156, 23465195, 46930390, 61009507, 93860780, 122019014, 244038028, 305047535, 610095070, 1220190140]

約数ペア:

[(1, 1220190140), (2, 610095070), (4, 305047535), (5, 244038028), (10, 122019014), (13, 93860780), (20, 61009507), (26, 46930390), (52, 23465195), (65, 18772156), (130, 9386078), (169, 7220060), (260, 4693039), (338, 3610030), (676, 1805015), (845, 1444012), (1690, 722006), (3380, 361003)]