63888650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:408

約数の個数: 72

約数和(自身を含む): 140264460

約数和(自身を除く): 76375810

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 89, 98, 175, 178, 245, 293, 350, 445, 490, 586, 623, 890, 1225, 1246, 1465, 2051, 2225, 2450, 2930, 3115, 4102, 4361, 4450, 6230, 7325, 8722, 10255, 14357, 14650, 15575, 20510, 21805, 26077, 28714, 31150, 43610, 51275, 52154, 71785, 102550, 109025, 130385, 143570, 182539, 218050, 260770, 358925, 365078, 651925, 717850, 912695, 1277773, 1303850, 1825390, 2555546, 4563475, 6388865, 9126950, 12777730, 31944325, 63888650]

約数ペア:

[(1, 63888650), (2, 31944325), (5, 12777730), (7, 9126950), (10, 6388865), (14, 4563475), (25, 2555546), (35, 1825390), (49, 1303850), (50, 1277773), (70, 912695), (89, 717850), (98, 651925), (175, 365078), (178, 358925), (245, 260770), (293, 218050), (350, 182539), (445, 143570), (490, 130385), (586, 109025), (623, 102550), (890, 71785), (1225, 52154), (1246, 51275), (1465, 43610), (2051, 31150), (2225, 28714), (2450, 26077), (2930, 21805), (3115, 20510), (4102, 15575), (4361, 14650), (4450, 14357), (6230, 10255), (7325, 8722)]