164370700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{557}}^1$

素因数の和:811

約数の個数: 72

約数和(自身を含む): 386506512

約数和(自身を除く): 222135812

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 227, 260, 325, 454, 557, 650, 908, 1114, 1135, 1300, 2228, 2270, 2785, 2951, 4540, 5570, 5675, 5902, 7241, 11140, 11350, 11804, 13925, 14482, 14755, 22700, 27850, 28964, 29510, 36205, 55700, 59020, 72410, 73775, 126439, 144820, 147550, 181025, 252878, 295100, 362050, 505756, 632195, 724100, 1264390, 1643707, 2528780, 3160975, 3287414, 6321950, 6574828, 8218535, 12643900, 16437070, 32874140, 41092675, 82185350, 164370700]

約数ペア:

[(1, 164370700), (2, 82185350), (4, 41092675), (5, 32874140), (10, 16437070), (13, 12643900), (20, 8218535), (25, 6574828), (26, 6321950), (50, 3287414), (52, 3160975), (65, 2528780), (100, 1643707), (130, 1264390), (227, 724100), (260, 632195), (325, 505756), (454, 362050), (557, 295100), (650, 252878), (908, 181025), (1114, 147550), (1135, 144820), (1300, 126439), (2228, 73775), (2270, 72410), (2785, 59020), (2951, 55700), (4540, 36205), (5570, 29510), (5675, 28964), (5902, 27850), (7241, 22700), (11140, 14755), (11350, 14482), (11804, 13925)]