2019371900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{221909}}^1$

素因数の和:221943

約数の個数: 72

約数和(自身を含む): 5393300640

約数和(自身を除く): 3373928740

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, 221909, 443818, 887636, 1109545, 1553363, 2219090, 2884817, 3106726, 4438180, 5547725, 5769634, 6213452, 7766815, 11095450, 11539268, 14424085, 15533630, 20193719, 22190900, 28848170, 31067260, 38834075, 40387438, 57696340, 72120425, 77668150, 80774876, 100968595, 144240850, 155336300, 201937190, 288481700, 403874380, 504842975, 1009685950, 2019371900]

約数ペア:

[(1, 2019371900), (2, 1009685950), (4, 504842975), (5, 403874380), (7, 288481700), (10, 201937190), (13, 155336300), (14, 144240850), (20, 100968595), (25, 80774876), (26, 77668150), (28, 72120425), (35, 57696340), (50, 40387438), (52, 38834075), (65, 31067260), (70, 28848170), (91, 22190900), (100, 20193719), (130, 15533630), (140, 14424085), (175, 11539268), (182, 11095450), (260, 7766815), (325, 6213452), (350, 5769634), (364, 5547725), (455, 4438180), (650, 3106726), (700, 2884817), (910, 2219090), (1300, 1553363), (1820, 1109545), (2275, 887636), (4550, 443818), (9100, 221909)]