238668920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{461}}^1$

素因数の和:565

約数の個数: 96

約数和(自身を含む): 629687520

約数和(自身を除く): 391018600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 461, 602, 860, 922, 1204, 1505, 1720, 1844, 1849, 2305, 2408, 3010, 3227, 3688, 3698, 4610, 6020, 6454, 7396, 9220, 9245, 12040, 12908, 12943, 14792, 16135, 18440, 18490, 19823, 25816, 25886, 32270, 36980, 39646, 51772, 64540, 64715, 73960, 79292, 99115, 103544, 129080, 129430, 138761, 158584, 198230, 258860, 277522, 396460, 517720, 555044, 693805, 792920, 852389, 1110088, 1387610, 1704778, 2775220, 3409556, 4261945, 5550440, 5966723, 6819112, 8523890, 11933446, 17047780, 23866892, 29833615, 34095560, 47733784, 59667230, 119334460, 238668920]

約数ペア:

[(1, 238668920), (2, 119334460), (4, 59667230), (5, 47733784), (7, 34095560), (8, 29833615), (10, 23866892), (14, 17047780), (20, 11933446), (28, 8523890), (35, 6819112), (40, 5966723), (43, 5550440), (56, 4261945), (70, 3409556), (86, 2775220), (140, 1704778), (172, 1387610), (215, 1110088), (280, 852389), (301, 792920), (344, 693805), (430, 555044), (461, 517720), (602, 396460), (860, 277522), (922, 258860), (1204, 198230), (1505, 158584), (1720, 138761), (1844, 129430), (1849, 129080), (2305, 103544), (2408, 99115), (3010, 79292), (3227, 73960), (3688, 64715), (3698, 64540), (4610, 51772), (6020, 39646), (6454, 36980), (7396, 32270), (9220, 25886), (9245, 25816), (12040, 19823), (12908, 18490), (12943, 18440), (14792, 16135)]