208996710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1619}}^1$

素因数の和:1973

約数の個数: 64

約数和(自身を含む): 542142720

約数和(自身を除く): 333146010

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 331, 390, 662, 993, 1619, 1655, 1986, 3238, 3310, 4303, 4857, 4965, 8095, 8606, 9714, 9930, 12909, 16190, 21047, 21515, 24285, 25818, 42094, 43030, 48570, 63141, 64545, 105235, 126282, 129090, 210470, 315705, 535889, 631410, 1071778, 1607667, 2679445, 3215334, 5358890, 6966557, 8038335, 13933114, 16076670, 20899671, 34832785, 41799342, 69665570, 104498355, 208996710]

約数ペア:

[(1, 208996710), (2, 104498355), (3, 69665570), (5, 41799342), (6, 34832785), (10, 20899671), (13, 16076670), (15, 13933114), (26, 8038335), (30, 6966557), (39, 5358890), (65, 3215334), (78, 2679445), (130, 1607667), (195, 1071778), (331, 631410), (390, 535889), (662, 315705), (993, 210470), (1619, 129090), (1655, 126282), (1986, 105235), (3238, 64545), (3310, 63141), (4303, 48570), (4857, 43030), (4965, 42094), (8095, 25818), (8606, 24285), (9714, 21515), (9930, 21047), (12909, 16190)]