72571900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 166239360

約数和(自身を除く): 93667460

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 139, 227, 230, 278, 454, 460, 556, 575, 695, 908, 1135, 1150, 1390, 2270, 2300, 2780, 3197, 3475, 4540, 5221, 5675, 6394, 6950, 10442, 11350, 12788, 13900, 15985, 20884, 22700, 26105, 31553, 31970, 52210, 63106, 63940, 79925, 104420, 126212, 130525, 157765, 159850, 261050, 315530, 319700, 522100, 631060, 725719, 788825, 1451438, 1577650, 2902876, 3155300, 3628595, 7257190, 14514380, 18142975, 36285950, 72571900]

約数ペア:

[(1, 72571900), (2, 36285950), (4, 18142975), (5, 14514380), (10, 7257190), (20, 3628595), (23, 3155300), (25, 2902876), (46, 1577650), (50, 1451438), (92, 788825), (100, 725719), (115, 631060), (139, 522100), (227, 319700), (230, 315530), (278, 261050), (454, 159850), (460, 157765), (556, 130525), (575, 126212), (695, 104420), (908, 79925), (1135, 63940), (1150, 63106), (1390, 52210), (2270, 31970), (2300, 31553), (2780, 26105), (3197, 22700), (3475, 20884), (4540, 15985), (5221, 13900), (5675, 12788), (6394, 11350), (6950, 10442)]