904540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 2413152

約数和(自身を除く): 1508612

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 71, 91, 98, 130, 140, 142, 182, 196, 245, 260, 284, 355, 364, 455, 490, 497, 637, 710, 910, 923, 980, 994, 1274, 1420, 1820, 1846, 1988, 2485, 2548, 3185, 3479, 3692, 4615, 4970, 6370, 6461, 6958, 9230, 9940, 12740, 12922, 13916, 17395, 18460, 25844, 32305, 34790, 45227, 64610, 69580, 90454, 129220, 180908, 226135, 452270, 904540]

約数ペア:

[(1, 904540), (2, 452270), (4, 226135), (5, 180908), (7, 129220), (10, 90454), (13, 69580), (14, 64610), (20, 45227), (26, 34790), (28, 32305), (35, 25844), (49, 18460), (52, 17395), (65, 13916), (70, 12922), (71, 12740), (91, 9940), (98, 9230), (130, 6958), (140, 6461), (142, 6370), (182, 4970), (196, 4615), (245, 3692), (260, 3479), (284, 3185), (355, 2548), (364, 2485), (455, 1988), (490, 1846), (497, 1820), (637, 1420), (710, 1274), (910, 994), (923, 980)]