155019830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{1231}}^1$

素因数の和:1509

約数の個数: 48

約数和(自身を含む): 326120256

約数和(自身を除く): 171100426

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 257, 490, 514, 1231, 1285, 1799, 2462, 2570, 3598, 6155, 8617, 8995, 12310, 12593, 17234, 17990, 25186, 43085, 60319, 62965, 86170, 120638, 125930, 301595, 316367, 603190, 632734, 1581835, 2214569, 3163670, 4429138, 11072845, 15501983, 22145690, 31003966, 77509915, 155019830]

約数ペア:

[(1, 155019830), (2, 77509915), (5, 31003966), (7, 22145690), (10, 15501983), (14, 11072845), (35, 4429138), (49, 3163670), (70, 2214569), (98, 1581835), (245, 632734), (257, 603190), (490, 316367), (514, 301595), (1231, 125930), (1285, 120638), (1799, 86170), (2462, 62965), (2570, 60319), (3598, 43085), (6155, 25186), (8617, 17990), (8995, 17234), (12310, 12593)]