28753690

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 32935910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 83, 98, 101, 166, 202, 245, 343, 415, 490, 505, 581, 686, 707, 830, 1010, 1162, 1414, 1715, 2905, 3430, 3535, 4067, 4949, 5810, 7070, 8134, 8383, 9898, 16766, 20335, 24745, 28469, 34643, 40670, 41915, 49490, 56938, 58681, 69286, 83830, 117362, 142345, 173215, 284690, 293405, 346430, 410767, 586810, 821534, 2053835, 2875369, 4107670, 5750738, 14376845, 28753690]

約数ペア:

[(1, 28753690), (2, 14376845), (5, 5750738), (7, 4107670), (10, 2875369), (14, 2053835), (35, 821534), (49, 586810), (70, 410767), (83, 346430), (98, 293405), (101, 284690), (166, 173215), (202, 142345), (245, 117362), (343, 83830), (415, 69286), (490, 58681), (505, 56938), (581, 49490), (686, 41915), (707, 40670), (830, 34643), (1010, 28469), (1162, 24745), (1414, 20335), (1715, 16766), (2905, 9898), (3430, 8383), (3535, 8134), (4067, 7070), (4949, 5810)]