674765620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61231}}^1$

素因数の和:61288

約数の個数: 48

約数和(自身を含む): 1543046400

約数和(自身を除く): 868280780

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 11020, 61231, 122462, 244924, 306155, 612310, 1163389, 1224620, 1775699, 2326778, 3551398, 4653556, 5816945, 7102796, 8878495, 11633890, 17756990, 23267780, 33738281, 35513980, 67476562, 134953124, 168691405, 337382810, 674765620]

約数ペア:

[(1, 674765620), (2, 337382810), (4, 168691405), (5, 134953124), (10, 67476562), (19, 35513980), (20, 33738281), (29, 23267780), (38, 17756990), (58, 11633890), (76, 8878495), (95, 7102796), (116, 5816945), (145, 4653556), (190, 3551398), (290, 2326778), (380, 1775699), (551, 1224620), (580, 1163389), (1102, 612310), (2204, 306155), (2755, 244924), (5510, 122462), (11020, 61231)]