90684040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:982

約数の個数: 64

約数和(自身を含む): 212751360

約数和(自身を除く): 122067320

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 284, 296, 355, 370, 568, 710, 740, 863, 1420, 1480, 1726, 2627, 2840, 3452, 4315, 5254, 6904, 8630, 10508, 13135, 17260, 21016, 26270, 31931, 34520, 52540, 61273, 63862, 105080, 122546, 127724, 159655, 245092, 255448, 306365, 319310, 490184, 612730, 638620, 1225460, 1277240, 2267101, 2450920, 4534202, 9068404, 11335505, 18136808, 22671010, 45342020, 90684040]

約数ペア:

[(1, 90684040), (2, 45342020), (4, 22671010), (5, 18136808), (8, 11335505), (10, 9068404), (20, 4534202), (37, 2450920), (40, 2267101), (71, 1277240), (74, 1225460), (142, 638620), (148, 612730), (185, 490184), (284, 319310), (296, 306365), (355, 255448), (370, 245092), (568, 159655), (710, 127724), (740, 122546), (863, 105080), (1420, 63862), (1480, 61273), (1726, 52540), (2627, 34520), (2840, 31931), (3452, 26270), (4315, 21016), (5254, 17260), (6904, 13135), (8630, 10508)]