20172054100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{277}}^2$

素因数の和:818

約数の個数: 108

約数和(自身を含む): 48126294720

約数和(自身を除く): 27954240620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 239, 275, 277, 478, 550, 554, 956, 1100, 1108, 1195, 1385, 2390, 2629, 2770, 3047, 4780, 5258, 5540, 5975, 6094, 6925, 10516, 11950, 12188, 13145, 13850, 15235, 23900, 26290, 27700, 30470, 52580, 60940, 65725, 66203, 76175, 76729, 131450, 132406, 152350, 153458, 262900, 264812, 304700, 306916, 331015, 383645, 662030, 728233, 767290, 844019, 1324060, 1456466, 1534580, 1655075, 1688038, 1918225, 2912932, 3310150, 3376076, 3641165, 3836450, 4220095, 6620300, 7282330, 7672900, 8440190, 14564660, 16880380, 18205825, 18338231, 21100475, 36411650, 36676462, 42200950, 72823300, 73352924, 84401900, 91691155, 183382310, 201720541, 366764620, 403441082, 458455775, 806882164, 916911550, 1008602705, 1833823100, 2017205410, 4034410820, 5043013525, 10086027050, 20172054100]

約数ペア:

[(1, 20172054100), (2, 10086027050), (4, 5043013525), (5, 4034410820), (10, 2017205410), (11, 1833823100), (20, 1008602705), (22, 916911550), (25, 806882164), (44, 458455775), (50, 403441082), (55, 366764620), (100, 201720541), (110, 183382310), (220, 91691155), (239, 84401900), (275, 73352924), (277, 72823300), (478, 42200950), (550, 36676462), (554, 36411650), (956, 21100475), (1100, 18338231), (1108, 18205825), (1195, 16880380), (1385, 14564660), (2390, 8440190), (2629, 7672900), (2770, 7282330), (3047, 6620300), (4780, 4220095), (5258, 3836450), (5540, 3641165), (5975, 3376076), (6094, 3310150), (6925, 2912932), (10516, 1918225), (11950, 1688038), (12188, 1655075), (13145, 1534580), (13850, 1456466), (15235, 1324060), (23900, 844019), (26290, 767290), (27700, 728233), (30470, 662030), (52580, 383645), (60940, 331015), (65725, 306916), (66203, 304700), (76175, 264812), (76729, 262900), (131450, 153458), (132406, 152350)]