30661700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 70177800

約数和(自身を除く): 39516100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 97, 100, 109, 116, 145, 194, 218, 290, 388, 436, 485, 545, 580, 725, 970, 1090, 1450, 1940, 2180, 2425, 2725, 2813, 2900, 3161, 4850, 5450, 5626, 6322, 9700, 10573, 10900, 11252, 12644, 14065, 15805, 21146, 28130, 31610, 42292, 52865, 56260, 63220, 70325, 79025, 105730, 140650, 158050, 211460, 264325, 281300, 306617, 316100, 528650, 613234, 1057300, 1226468, 1533085, 3066170, 6132340, 7665425, 15330850, 30661700]

約数ペア:

[(1, 30661700), (2, 15330850), (4, 7665425), (5, 6132340), (10, 3066170), (20, 1533085), (25, 1226468), (29, 1057300), (50, 613234), (58, 528650), (97, 316100), (100, 306617), (109, 281300), (116, 264325), (145, 211460), (194, 158050), (218, 140650), (290, 105730), (388, 79025), (436, 70325), (485, 63220), (545, 56260), (580, 52865), (725, 42292), (970, 31610), (1090, 28130), (1450, 21146), (1940, 15805), (2180, 14065), (2425, 12644), (2725, 11252), (2813, 10900), (2900, 10573), (3161, 9700), (4850, 6322), (5450, 5626)]