28000687000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{195809}}^1$

素因数の和:195854

約数の個数: 128

約数和(自身を含む): 76976827200

約数和(自身を除く): 48976140200

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 100, 104, 110, 125, 130, 143, 200, 220, 250, 260, 275, 286, 325, 440, 500, 520, 550, 572, 650, 715, 1000, 1100, 1144, 1300, 1375, 1430, 1625, 2200, 2600, 2750, 2860, 3250, 3575, 5500, 5720, 6500, 7150, 11000, 13000, 14300, 17875, 28600, 35750, 71500, 143000, 195809, 391618, 783236, 979045, 1566472, 1958090, 2153899, 2545517, 3916180, 4307798, 4895225, 5091034, 7832360, 8615596, 9790450, 10182068, 10769495, 12727585, 17231192, 19580900, 20364136, 21538990, 24476125, 25455170, 28000687, 39161800, 43077980, 48952250, 50910340, 53847475, 56001374, 63637925, 86155960, 97904500, 101820680, 107694950, 112002748, 127275850, 140003435, 195809000, 215389900, 224005496, 254551700, 269237375, 280006870, 318189625, 430779800, 509103400, 538474750, 560013740, 636379250, 700017175, 1076949500, 1120027480, 1272758500, 1400034350, 2153899000, 2545517000, 2800068700, 3500085875, 5600137400, 7000171750, 14000343500, 28000687000]

約数ペア:

[(1, 28000687000), (2, 14000343500), (4, 7000171750), (5, 5600137400), (8, 3500085875), (10, 2800068700), (11, 2545517000), (13, 2153899000), (20, 1400034350), (22, 1272758500), (25, 1120027480), (26, 1076949500), (40, 700017175), (44, 636379250), (50, 560013740), (52, 538474750), (55, 509103400), (65, 430779800), (88, 318189625), (100, 280006870), (104, 269237375), (110, 254551700), (125, 224005496), (130, 215389900), (143, 195809000), (200, 140003435), (220, 127275850), (250, 112002748), (260, 107694950), (275, 101820680), (286, 97904500), (325, 86155960), (440, 63637925), (500, 56001374), (520, 53847475), (550, 50910340), (572, 48952250), (650, 43077980), (715, 39161800), (1000, 28000687), (1100, 25455170), (1144, 24476125), (1300, 21538990), (1375, 20364136), (1430, 19580900), (1625, 17231192), (2200, 12727585), (2600, 10769495), (2750, 10182068), (2860, 9790450), (3250, 8615596), (3575, 7832360), (5500, 5091034), (5720, 4895225), (6500, 4307798), (7150, 3916180), (11000, 2545517), (13000, 2153899), (14300, 1958090), (17875, 1566472), (28600, 979045), (35750, 783236), (71500, 391618), (143000, 195809)]