1330260820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{557}}^1\times {\mathrm{2437}}^1$

素因数の和:3017

約数の個数: 72

約数和(自身を含む): 3256807176

約数和(自身を除く): 1926546356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 557, 980, 1114, 2228, 2437, 2785, 3899, 4874, 5570, 7798, 9748, 11140, 12185, 15596, 17059, 19495, 24370, 27293, 34118, 38990, 48740, 54586, 68236, 77980, 85295, 109172, 119413, 136465, 170590, 238826, 272930, 341180, 477652, 545860, 597065, 1194130, 1357409, 2388260, 2714818, 5429636, 6787045, 9501863, 13574090, 19003726, 27148180, 38007452, 47509315, 66513041, 95018630, 133026082, 190037260, 266052164, 332565205, 665130410, 1330260820]

約数ペア:

[(1, 1330260820), (2, 665130410), (4, 332565205), (5, 266052164), (7, 190037260), (10, 133026082), (14, 95018630), (20, 66513041), (28, 47509315), (35, 38007452), (49, 27148180), (70, 19003726), (98, 13574090), (140, 9501863), (196, 6787045), (245, 5429636), (490, 2714818), (557, 2388260), (980, 1357409), (1114, 1194130), (2228, 597065), (2437, 545860), (2785, 477652), (3899, 341180), (4874, 272930), (5570, 238826), (7798, 170590), (9748, 136465), (11140, 119413), (12185, 109172), (15596, 85295), (17059, 77980), (19495, 68236), (24370, 54586), (27293, 48740), (34118, 38990)]