649500640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2683}}^1$

素因数の和:2804

約数の個数: 96

約数和(自身を含む): 1643574240

約数和(自身を除く): 994073600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 89, 136, 160, 170, 178, 272, 340, 356, 445, 544, 680, 712, 890, 1360, 1424, 1513, 1780, 2683, 2720, 2848, 3026, 3560, 5366, 6052, 7120, 7565, 10732, 12104, 13415, 14240, 15130, 21464, 24208, 26830, 30260, 42928, 45611, 48416, 53660, 60520, 85856, 91222, 107320, 121040, 182444, 214640, 228055, 238787, 242080, 364888, 429280, 456110, 477574, 729776, 912220, 955148, 1193935, 1459552, 1824440, 1910296, 2387870, 3648880, 3820592, 4059379, 4775740, 7297760, 7641184, 8118758, 9551480, 16237516, 19102960, 20296895, 32475032, 38205920, 40593790, 64950064, 81187580, 129900128, 162375160, 324750320, 649500640]

約数ペア:

[(1, 649500640), (2, 324750320), (4, 162375160), (5, 129900128), (8, 81187580), (10, 64950064), (16, 40593790), (17, 38205920), (20, 32475032), (32, 20296895), (34, 19102960), (40, 16237516), (68, 9551480), (80, 8118758), (85, 7641184), (89, 7297760), (136, 4775740), (160, 4059379), (170, 3820592), (178, 3648880), (272, 2387870), (340, 1910296), (356, 1824440), (445, 1459552), (544, 1193935), (680, 955148), (712, 912220), (890, 729776), (1360, 477574), (1424, 456110), (1513, 429280), (1780, 364888), (2683, 242080), (2720, 238787), (2848, 228055), (3026, 214640), (3560, 182444), (5366, 121040), (6052, 107320), (7120, 91222), (7565, 85856), (10732, 60520), (12104, 53660), (13415, 48416), (14240, 45611), (15130, 42928), (21464, 30260), (24208, 26830)]