308839400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{67139}}^1$

素因数の和:67178

約数の個数: 48

約数和(自身を含む): 749282400

約数和(自身を除く): 440443000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 4600, 67139, 134278, 268556, 335695, 537112, 671390, 1342780, 1544197, 1678475, 2685560, 3088394, 3356950, 6176788, 6713900, 7720985, 12353576, 13427800, 15441970, 30883940, 38604925, 61767880, 77209850, 154419700, 308839400]

約数ペア:

[(1, 308839400), (2, 154419700), (4, 77209850), (5, 61767880), (8, 38604925), (10, 30883940), (20, 15441970), (23, 13427800), (25, 12353576), (40, 7720985), (46, 6713900), (50, 6176788), (92, 3356950), (100, 3088394), (115, 2685560), (184, 1678475), (200, 1544197), (230, 1342780), (460, 671390), (575, 537112), (920, 335695), (1150, 268556), (2300, 134278), (4600, 67139)]