31820600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 91601280

約数和(自身を除く): 59780680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 40, 49, 50, 56, 68, 70, 85, 98, 100, 119, 136, 140, 170, 175, 191, 196, 200, 238, 245, 280, 340, 350, 382, 392, 425, 476, 490, 595, 680, 700, 764, 833, 850, 952, 955, 980, 1190, 1225, 1337, 1400, 1528, 1666, 1700, 1910, 1960, 2380, 2450, 2674, 2975, 3247, 3332, 3400, 3820, 4165, 4760, 4775, 4900, 5348, 5950, 6494, 6664, 6685, 7640, 8330, 9359, 9550, 9800, 10696, 11900, 12988, 13370, 16235, 16660, 18718, 19100, 20825, 22729, 23800, 25976, 26740, 32470, 33320, 33425, 37436, 38200, 41650, 45458, 46795, 53480, 64940, 66850, 74872, 81175, 83300, 90916, 93590, 113645, 129880, 133700, 159103, 162350, 166600, 181832, 187180, 227290, 233975, 267400, 318206, 324700, 374360, 454580, 467950, 568225, 636412, 649400, 795515, 909160, 935900, 1136450, 1272824, 1591030, 1871800, 2272900, 3182060, 3977575, 4545800, 6364120, 7955150, 15910300, 31820600]

約数ペア:

[(1, 31820600), (2, 15910300), (4, 7955150), (5, 6364120), (7, 4545800), (8, 3977575), (10, 3182060), (14, 2272900), (17, 1871800), (20, 1591030), (25, 1272824), (28, 1136450), (34, 935900), (35, 909160), (40, 795515), (49, 649400), (50, 636412), (56, 568225), (68, 467950), (70, 454580), (85, 374360), (98, 324700), (100, 318206), (119, 267400), (136, 233975), (140, 227290), (170, 187180), (175, 181832), (191, 166600), (196, 162350), (200, 159103), (238, 133700), (245, 129880), (280, 113645), (340, 93590), (350, 90916), (382, 83300), (392, 81175), (425, 74872), (476, 66850), (490, 64940), (595, 53480), (680, 46795), (700, 45458), (764, 41650), (833, 38200), (850, 37436), (952, 33425), (955, 33320), (980, 32470), (1190, 26740), (1225, 25976), (1337, 23800), (1400, 22729), (1528, 20825), (1666, 19100), (1700, 18718), (1910, 16660), (1960, 16235), (2380, 13370), (2450, 12988), (2674, 11900), (2975, 10696), (3247, 9800), (3332, 9550), (3400, 9359), (3820, 8330), (4165, 7640), (4760, 6685), (4775, 6664), (4900, 6494), (5348, 5950)]