28254030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1621}}^1$

素因数の和:1721

約数の個数: 64

約数和(自身を含む): 78478848

約数和(自身を除く): 50224818

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 83, 105, 166, 210, 249, 415, 498, 581, 830, 1162, 1245, 1621, 1743, 2490, 2905, 3242, 3486, 4863, 5810, 8105, 8715, 9726, 11347, 16210, 17430, 22694, 24315, 34041, 48630, 56735, 68082, 113470, 134543, 170205, 269086, 340410, 403629, 672715, 807258, 941801, 1345430, 1883602, 2018145, 2825403, 4036290, 4709005, 5650806, 9418010, 14127015, 28254030]

約数ペア:

[(1, 28254030), (2, 14127015), (3, 9418010), (5, 5650806), (6, 4709005), (7, 4036290), (10, 2825403), (14, 2018145), (15, 1883602), (21, 1345430), (30, 941801), (35, 807258), (42, 672715), (70, 403629), (83, 340410), (105, 269086), (166, 170205), (210, 134543), (249, 113470), (415, 68082), (498, 56735), (581, 48630), (830, 34041), (1162, 24315), (1245, 22694), (1621, 17430), (1743, 16210), (2490, 11347), (2905, 9726), (3242, 8715), (3486, 8105), (4863, 5810)]