205776760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:357

約数の個数: 128

約数和(自身を含む): 553328640

約数和(自身を除く): 347551880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 151, 155, 157, 217, 248, 280, 302, 310, 314, 434, 604, 620, 628, 755, 785, 868, 1057, 1085, 1099, 1208, 1240, 1256, 1510, 1570, 1736, 2114, 2170, 2198, 3020, 3140, 4228, 4340, 4396, 4681, 4867, 5285, 5495, 6040, 6280, 8456, 8680, 8792, 9362, 9734, 10570, 10990, 18724, 19468, 21140, 21980, 23405, 23707, 24335, 32767, 34069, 37448, 38936, 42280, 43960, 46810, 47414, 48670, 65534, 68138, 93620, 94828, 97340, 118535, 131068, 136276, 163835, 165949, 170345, 187240, 189656, 194680, 237070, 262136, 272552, 327670, 331898, 340690, 474140, 655340, 663796, 681380, 734917, 829745, 948280, 1310680, 1327592, 1362760, 1469834, 1659490, 2939668, 3318980, 3674585, 5144419, 5879336, 6637960, 7349170, 10288838, 14698340, 20577676, 25722095, 29396680, 41155352, 51444190, 102888380, 205776760]

約数ペア:

[(1, 205776760), (2, 102888380), (4, 51444190), (5, 41155352), (7, 29396680), (8, 25722095), (10, 20577676), (14, 14698340), (20, 10288838), (28, 7349170), (31, 6637960), (35, 5879336), (40, 5144419), (56, 3674585), (62, 3318980), (70, 2939668), (124, 1659490), (140, 1469834), (151, 1362760), (155, 1327592), (157, 1310680), (217, 948280), (248, 829745), (280, 734917), (302, 681380), (310, 663796), (314, 655340), (434, 474140), (604, 340690), (620, 331898), (628, 327670), (755, 272552), (785, 262136), (868, 237070), (1057, 194680), (1085, 189656), (1099, 187240), (1208, 170345), (1240, 165949), (1256, 163835), (1510, 136276), (1570, 131068), (1736, 118535), (2114, 97340), (2170, 94828), (2198, 93620), (3020, 68138), (3140, 65534), (4228, 48670), (4340, 47414), (4396, 46810), (4681, 43960), (4867, 42280), (5285, 38936), (5495, 37448), (6040, 34069), (6280, 32767), (8456, 24335), (8680, 23707), (8792, 23405), (9362, 21980), (9734, 21140), (10570, 19468), (10990, 18724)]