172311440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:529

約数の個数: 120

約数和(自身を含む): 471364920

約数和(自身を除く): 299053480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 113, 140, 196, 226, 245, 280, 389, 392, 452, 490, 560, 565, 778, 784, 791, 904, 980, 1130, 1556, 1582, 1808, 1945, 1960, 2260, 2723, 3112, 3164, 3890, 3920, 3955, 4520, 5446, 5537, 6224, 6328, 7780, 7910, 9040, 10892, 11074, 12656, 13615, 15560, 15820, 19061, 21784, 22148, 27230, 27685, 31120, 31640, 38122, 43568, 43957, 44296, 54460, 55370, 63280, 76244, 87914, 88592, 95305, 108920, 110740, 152488, 175828, 190610, 217840, 219785, 221480, 304976, 307699, 351656, 381220, 439570, 442960, 615398, 703312, 762440, 879140, 1230796, 1524880, 1538495, 1758280, 2153893, 2461592, 3076990, 3516560, 4307786, 4923184, 6153980, 8615572, 10769465, 12307960, 17231144, 21538930, 24615920, 34462288, 43077860, 86155720, 172311440]

約数ペア:

[(1, 172311440), (2, 86155720), (4, 43077860), (5, 34462288), (7, 24615920), (8, 21538930), (10, 17231144), (14, 12307960), (16, 10769465), (20, 8615572), (28, 6153980), (35, 4923184), (40, 4307786), (49, 3516560), (56, 3076990), (70, 2461592), (80, 2153893), (98, 1758280), (112, 1538495), (113, 1524880), (140, 1230796), (196, 879140), (226, 762440), (245, 703312), (280, 615398), (389, 442960), (392, 439570), (452, 381220), (490, 351656), (560, 307699), (565, 304976), (778, 221480), (784, 219785), (791, 217840), (904, 190610), (980, 175828), (1130, 152488), (1556, 110740), (1582, 108920), (1808, 95305), (1945, 88592), (1960, 87914), (2260, 76244), (2723, 63280), (3112, 55370), (3164, 54460), (3890, 44296), (3920, 43957), (3955, 43568), (4520, 38122), (5446, 31640), (5537, 31120), (6224, 27685), (6328, 27230), (7780, 22148), (7910, 21784), (9040, 19061), (10892, 15820), (11074, 15560), (12656, 13615)]