890290700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{2069}}^1$

素因数の和:2427

約数の個数: 72

約数和(自身を含む): 2087835120

約数和(自身を除く): 1197544420

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 331, 650, 662, 1300, 1324, 1655, 2069, 3310, 4138, 4303, 6620, 8275, 8276, 8606, 10345, 16550, 17212, 20690, 21515, 26897, 33100, 41380, 43030, 51725, 53794, 86060, 103450, 107575, 107588, 134485, 206900, 215150, 268970, 430300, 537940, 672425, 684839, 1344850, 1369678, 2689700, 2739356, 3424195, 6848390, 8902907, 13696780, 17120975, 17805814, 34241950, 35611628, 44514535, 68483900, 89029070, 178058140, 222572675, 445145350, 890290700]

約数ペア:

[(1, 890290700), (2, 445145350), (4, 222572675), (5, 178058140), (10, 89029070), (13, 68483900), (20, 44514535), (25, 35611628), (26, 34241950), (50, 17805814), (52, 17120975), (65, 13696780), (100, 8902907), (130, 6848390), (260, 3424195), (325, 2739356), (331, 2689700), (650, 1369678), (662, 1344850), (1300, 684839), (1324, 672425), (1655, 537940), (2069, 430300), (3310, 268970), (4138, 215150), (4303, 206900), (6620, 134485), (8275, 107588), (8276, 107575), (8606, 103450), (10345, 86060), (16550, 53794), (17212, 51725), (20690, 43030), (21515, 41380), (26897, 33100)]