161201950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:602

約数の個数: 96

約数和(自身を含む): 374976000

約数和(自身を除く): 213774050

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 71, 91, 130, 142, 175, 182, 325, 350, 355, 455, 497, 499, 650, 710, 910, 923, 994, 998, 1775, 1846, 2275, 2485, 2495, 3493, 3550, 4550, 4615, 4970, 4990, 6461, 6487, 6986, 9230, 12425, 12475, 12922, 12974, 17465, 23075, 24850, 24950, 32305, 32435, 34930, 35429, 45409, 46150, 64610, 64870, 70858, 87325, 90818, 161525, 162175, 174650, 177145, 227045, 248003, 323050, 324350, 354290, 454090, 460577, 496006, 885725, 921154, 1135225, 1240015, 1771450, 2270450, 2302885, 2480030, 3224039, 4605770, 6200075, 6448078, 11514425, 12400150, 16120195, 23028850, 32240390, 80600975, 161201950]

約数ペア:

[(1, 161201950), (2, 80600975), (5, 32240390), (7, 23028850), (10, 16120195), (13, 12400150), (14, 11514425), (25, 6448078), (26, 6200075), (35, 4605770), (50, 3224039), (65, 2480030), (70, 2302885), (71, 2270450), (91, 1771450), (130, 1240015), (142, 1135225), (175, 921154), (182, 885725), (325, 496006), (350, 460577), (355, 454090), (455, 354290), (497, 324350), (499, 323050), (650, 248003), (710, 227045), (910, 177145), (923, 174650), (994, 162175), (998, 161525), (1775, 90818), (1846, 87325), (2275, 70858), (2485, 64870), (2495, 64610), (3493, 46150), (3550, 45409), (4550, 35429), (4615, 34930), (4970, 32435), (4990, 32305), (6461, 24950), (6487, 24850), (6986, 23075), (9230, 17465), (12425, 12974), (12475, 12922)]