161497700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17747}}^1$

素因数の和:17781

約数の個数: 72

約数和(自身を含む): 431347392

約数和(自身を除く): 269849692

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 9100, 17747, 35494, 70988, 88735, 124229, 177470, 230711, 248458, 354940, 443675, 461422, 496916, 621145, 887350, 922844, 1153555, 1242290, 1614977, 1774700, 2307110, 2484580, 3105725, 3229954, 4614220, 5767775, 6211450, 6459908, 8074885, 11535550, 12422900, 16149770, 23071100, 32299540, 40374425, 80748850, 161497700]

約数ペア:

[(1, 161497700), (2, 80748850), (4, 40374425), (5, 32299540), (7, 23071100), (10, 16149770), (13, 12422900), (14, 11535550), (20, 8074885), (25, 6459908), (26, 6211450), (28, 5767775), (35, 4614220), (50, 3229954), (52, 3105725), (65, 2484580), (70, 2307110), (91, 1774700), (100, 1614977), (130, 1242290), (140, 1153555), (175, 922844), (182, 887350), (260, 621145), (325, 496916), (350, 461422), (364, 443675), (455, 354940), (650, 248458), (700, 230711), (910, 177470), (1300, 124229), (1820, 88735), (2275, 70988), (4550, 35494), (9100, 17747)]