205449400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2549}}^1$

素因数の和:2609

約数の個数: 96

約数和(自身を含む): 531216000

約数和(自身を除く): 325766600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 130, 155, 200, 248, 260, 310, 325, 403, 520, 620, 650, 775, 806, 1240, 1300, 1550, 1612, 2015, 2549, 2600, 3100, 3224, 4030, 5098, 6200, 8060, 10075, 10196, 12745, 16120, 20150, 20392, 25490, 33137, 40300, 50980, 63725, 66274, 79019, 80600, 101960, 127450, 132548, 158038, 165685, 254900, 265096, 316076, 331370, 395095, 509800, 632152, 662740, 790190, 828425, 1027247, 1325480, 1580380, 1656850, 1975475, 2054494, 3160760, 3313700, 3950950, 4108988, 5136235, 6627400, 7901900, 8217976, 10272470, 15803800, 20544940, 25681175, 41089880, 51362350, 102724700, 205449400]

約数ペア:

[(1, 205449400), (2, 102724700), (4, 51362350), (5, 41089880), (8, 25681175), (10, 20544940), (13, 15803800), (20, 10272470), (25, 8217976), (26, 7901900), (31, 6627400), (40, 5136235), (50, 4108988), (52, 3950950), (62, 3313700), (65, 3160760), (100, 2054494), (104, 1975475), (124, 1656850), (130, 1580380), (155, 1325480), (200, 1027247), (248, 828425), (260, 790190), (310, 662740), (325, 632152), (403, 509800), (520, 395095), (620, 331370), (650, 316076), (775, 265096), (806, 254900), (1240, 165685), (1300, 158038), (1550, 132548), (1612, 127450), (2015, 101960), (2549, 80600), (2600, 79019), (3100, 66274), (3224, 63725), (4030, 50980), (5098, 40300), (6200, 33137), (8060, 25490), (10075, 20392), (10196, 20150), (12745, 16120)]