253351850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:332

約数の個数: 72

約数和(自身を含む): 508778820

約数和(自身を除く): 255426970

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 89, 170, 178, 197, 289, 394, 425, 445, 578, 850, 890, 985, 1445, 1513, 1970, 2225, 2890, 3026, 3349, 4450, 4925, 6698, 7225, 7565, 9850, 14450, 15130, 16745, 17533, 25721, 33490, 35066, 37825, 51442, 56933, 75650, 83725, 87665, 113866, 128605, 167450, 175330, 257210, 284665, 298061, 438325, 569330, 596122, 643025, 876650, 1286050, 1423325, 1490305, 2846650, 2980610, 5067037, 7451525, 10134074, 14903050, 25335185, 50670370, 126675925, 253351850]

約数ペア:

[(1, 253351850), (2, 126675925), (5, 50670370), (10, 25335185), (17, 14903050), (25, 10134074), (34, 7451525), (50, 5067037), (85, 2980610), (89, 2846650), (170, 1490305), (178, 1423325), (197, 1286050), (289, 876650), (394, 643025), (425, 596122), (445, 569330), (578, 438325), (850, 298061), (890, 284665), (985, 257210), (1445, 175330), (1513, 167450), (1970, 128605), (2225, 113866), (2890, 87665), (3026, 83725), (3349, 75650), (4450, 56933), (4925, 51442), (6698, 37825), (7225, 35066), (7565, 33490), (9850, 25721), (14450, 17533), (15130, 16745)]