30688420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 79027200

約数和(自身を除く): 48338780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 83, 95, 133, 139, 140, 166, 190, 266, 278, 332, 380, 415, 532, 556, 581, 665, 695, 830, 973, 1162, 1330, 1390, 1577, 1660, 1946, 2324, 2641, 2660, 2780, 2905, 3154, 3892, 4865, 5282, 5810, 6308, 7885, 9730, 10564, 11039, 11537, 11620, 13205, 15770, 18487, 19460, 22078, 23074, 26410, 31540, 36974, 44156, 46148, 52820, 55195, 57685, 73948, 80759, 92435, 110390, 115370, 161518, 184870, 219203, 220780, 230740, 323036, 369740, 403795, 438406, 807590, 876812, 1096015, 1534421, 1615180, 2192030, 3068842, 4384060, 6137684, 7672105, 15344210, 30688420]

約数ペア:

[(1, 30688420), (2, 15344210), (4, 7672105), (5, 6137684), (7, 4384060), (10, 3068842), (14, 2192030), (19, 1615180), (20, 1534421), (28, 1096015), (35, 876812), (38, 807590), (70, 438406), (76, 403795), (83, 369740), (95, 323036), (133, 230740), (139, 220780), (140, 219203), (166, 184870), (190, 161518), (266, 115370), (278, 110390), (332, 92435), (380, 80759), (415, 73948), (532, 57685), (556, 55195), (581, 52820), (665, 46148), (695, 44156), (830, 36974), (973, 31540), (1162, 26410), (1330, 23074), (1390, 22078), (1577, 19460), (1660, 18487), (1946, 15770), (2324, 13205), (2641, 11620), (2660, 11537), (2780, 11039), (2905, 10564), (3154, 9730), (3892, 7885), (4865, 6308), (5282, 5810)]