228673640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2801}}^1$

素因数の和:2982

約数の個数: 64

約数和(自身を含む): 557822160

約数和(自身を除く): 329148520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 785, 1256, 1570, 2041, 2801, 3140, 4082, 5602, 6280, 8164, 10205, 11204, 14005, 16328, 20410, 22408, 28010, 36413, 40820, 56020, 72826, 81640, 112040, 145652, 182065, 291304, 364130, 439757, 728260, 879514, 1456520, 1759028, 2198785, 3518056, 4397570, 5716841, 8795140, 11433682, 17590280, 22867364, 28584205, 45734728, 57168410, 114336820, 228673640]

約数ペア:

[(1, 228673640), (2, 114336820), (4, 57168410), (5, 45734728), (8, 28584205), (10, 22867364), (13, 17590280), (20, 11433682), (26, 8795140), (40, 5716841), (52, 4397570), (65, 3518056), (104, 2198785), (130, 1759028), (157, 1456520), (260, 879514), (314, 728260), (520, 439757), (628, 364130), (785, 291304), (1256, 182065), (1570, 145652), (2041, 112040), (2801, 81640), (3140, 72826), (4082, 56020), (5602, 40820), (6280, 36413), (8164, 28010), (10205, 22408), (11204, 20410), (14005, 16328)]