30416260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{757}}^1$

素因数の和:821

約数の個数: 72

約数和(自身を含む): 76215384

約数和(自身を除く): 45799124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 757, 820, 980, 1148, 1435, 1514, 2009, 2870, 3028, 3785, 4018, 5299, 5740, 7570, 8036, 10045, 10598, 15140, 20090, 21196, 26495, 31037, 37093, 40180, 52990, 62074, 74186, 105980, 124148, 148372, 155185, 185465, 217259, 310370, 370930, 434518, 620740, 741860, 869036, 1086295, 1520813, 2172590, 3041626, 4345180, 6083252, 7604065, 15208130, 30416260]

約数ペア:

[(1, 30416260), (2, 15208130), (4, 7604065), (5, 6083252), (7, 4345180), (10, 3041626), (14, 2172590), (20, 1520813), (28, 1086295), (35, 869036), (41, 741860), (49, 620740), (70, 434518), (82, 370930), (98, 310370), (140, 217259), (164, 185465), (196, 155185), (205, 148372), (245, 124148), (287, 105980), (410, 74186), (490, 62074), (574, 52990), (757, 40180), (820, 37093), (980, 31037), (1148, 26495), (1435, 21196), (1514, 20090), (2009, 15140), (2870, 10598), (3028, 10045), (3785, 8036), (4018, 7570), (5299, 5740)]