253405280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83357}}^1$

素因数の和:83391

約数の個数: 48

約数和(自身を含む): 630186480

約数和(自身を除く): 376781200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 83357, 166714, 333428, 416785, 666856, 833570, 1333712, 1583783, 1667140, 2667424, 3167566, 3334280, 6335132, 6668560, 7918915, 12670264, 13337120, 15837830, 25340528, 31675660, 50681056, 63351320, 126702640, 253405280]

約数ペア:

[(1, 253405280), (2, 126702640), (4, 63351320), (5, 50681056), (8, 31675660), (10, 25340528), (16, 15837830), (19, 13337120), (20, 12670264), (32, 7918915), (38, 6668560), (40, 6335132), (76, 3334280), (80, 3167566), (95, 2667424), (152, 1667140), (160, 1583783), (190, 1333712), (304, 833570), (380, 666856), (608, 416785), (760, 333428), (1520, 166714), (3040, 83357)]