89774860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{907}}^1$

素因数の和:1031

約数の個数: 72

約数和(自身を含む): 221722704

約数和(自身を除く): 131947844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 140, 196, 202, 245, 404, 490, 505, 707, 907, 980, 1010, 1414, 1814, 2020, 2828, 3535, 3628, 4535, 4949, 6349, 7070, 9070, 9898, 12698, 14140, 18140, 19796, 24745, 25396, 31745, 44443, 49490, 63490, 88886, 91607, 98980, 126980, 177772, 183214, 222215, 366428, 444430, 458035, 641249, 888860, 916070, 1282498, 1832140, 2564996, 3206245, 4488743, 6412490, 8977486, 12824980, 17954972, 22443715, 44887430, 89774860]

約数ペア:

[(1, 89774860), (2, 44887430), (4, 22443715), (5, 17954972), (7, 12824980), (10, 8977486), (14, 6412490), (20, 4488743), (28, 3206245), (35, 2564996), (49, 1832140), (70, 1282498), (98, 916070), (101, 888860), (140, 641249), (196, 458035), (202, 444430), (245, 366428), (404, 222215), (490, 183214), (505, 177772), (707, 126980), (907, 98980), (980, 91607), (1010, 88886), (1414, 63490), (1814, 49490), (2020, 44443), (2828, 31745), (3535, 25396), (3628, 24745), (4535, 19796), (4949, 18140), (6349, 14140), (7070, 12698), (9070, 9898)]