280350

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{89}}^1$

素因数の和:114

約数の個数: 72

約数和(自身を含む): 870480

約数和(自身を除く): 590130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 89, 90, 105, 126, 150, 175, 178, 210, 225, 267, 315, 350, 445, 450, 525, 534, 623, 630, 801, 890, 1050, 1246, 1335, 1575, 1602, 1869, 2225, 2670, 3115, 3150, 3738, 4005, 4450, 5607, 6230, 6675, 8010, 9345, 11214, 13350, 15575, 18690, 20025, 28035, 31150, 40050, 46725, 56070, 93450, 140175, 280350]

約数ペア:

[(1, 280350), (2, 140175), (3, 93450), (5, 56070), (6, 46725), (7, 40050), (9, 31150), (10, 28035), (14, 20025), (15, 18690), (18, 15575), (21, 13350), (25, 11214), (30, 9345), (35, 8010), (42, 6675), (45, 6230), (50, 5607), (63, 4450), (70, 4005), (75, 3738), (89, 3150), (90, 3115), (105, 2670), (126, 2225), (150, 1869), (175, 1602), (178, 1575), (210, 1335), (225, 1246), (267, 1050), (315, 890), (350, 801), (445, 630), (450, 623), (525, 534)]