28411300

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 65073960

約数和(自身を除く): 36662660

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 97, 100, 101, 116, 145, 194, 202, 290, 388, 404, 485, 505, 580, 725, 970, 1010, 1450, 1940, 2020, 2425, 2525, 2813, 2900, 2929, 4850, 5050, 5626, 5858, 9700, 9797, 10100, 11252, 11716, 14065, 14645, 19594, 28130, 29290, 39188, 48985, 56260, 58580, 70325, 73225, 97970, 140650, 146450, 195940, 244925, 281300, 284113, 292900, 489850, 568226, 979700, 1136452, 1420565, 2841130, 5682260, 7102825, 14205650, 28411300]

約数ペア:

[(1, 28411300), (2, 14205650), (4, 7102825), (5, 5682260), (10, 2841130), (20, 1420565), (25, 1136452), (29, 979700), (50, 568226), (58, 489850), (97, 292900), (100, 284113), (101, 281300), (116, 244925), (145, 195940), (194, 146450), (202, 140650), (290, 97970), (388, 73225), (404, 70325), (485, 58580), (505, 56260), (580, 48985), (725, 39188), (970, 29290), (1010, 28130), (1450, 19594), (1940, 14645), (2020, 14065), (2425, 11716), (2525, 11252), (2813, 10100), (2900, 9797), (2929, 9700), (4850, 5858), (5050, 5626)]