217314860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 535610880

約数和(自身を除く): 318296020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 107, 140, 163, 178, 214, 326, 356, 428, 445, 535, 623, 652, 749, 815, 890, 1070, 1141, 1246, 1498, 1630, 1780, 2140, 2282, 2492, 2996, 3115, 3260, 3745, 4564, 5705, 6230, 7490, 9523, 11410, 12460, 14507, 14980, 17441, 19046, 22820, 29014, 34882, 38092, 47615, 58028, 66661, 69764, 72535, 87205, 95230, 101549, 122087, 133322, 145070, 174410, 190460, 203098, 244174, 266644, 290140, 333305, 348820, 406196, 488348, 507745, 610435, 666610, 1015490, 1220870, 1333220, 1552249, 2030980, 2441740, 3104498, 6208996, 7761245, 10865743, 15522490, 21731486, 31044980, 43462972, 54328715, 108657430, 217314860]

約数ペア:

[(1, 217314860), (2, 108657430), (4, 54328715), (5, 43462972), (7, 31044980), (10, 21731486), (14, 15522490), (20, 10865743), (28, 7761245), (35, 6208996), (70, 3104498), (89, 2441740), (107, 2030980), (140, 1552249), (163, 1333220), (178, 1220870), (214, 1015490), (326, 666610), (356, 610435), (428, 507745), (445, 488348), (535, 406196), (623, 348820), (652, 333305), (749, 290140), (815, 266644), (890, 244174), (1070, 203098), (1141, 190460), (1246, 174410), (1498, 145070), (1630, 133322), (1780, 122087), (2140, 101549), (2282, 95230), (2492, 87205), (2996, 72535), (3115, 69764), (3260, 66661), (3745, 58028), (4564, 47615), (5705, 38092), (6230, 34882), (7490, 29014), (9523, 22820), (11410, 19046), (12460, 17441), (14507, 14980)]