2019958750

素因数分解:

$2^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1$

素因数の和:695

約数の個数: 80

約数和(自身を含む): 3962106720

約数和(自身を除く): 1942147970

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 103, 125, 145, 206, 250, 290, 515, 541, 625, 725, 1030, 1082, 1250, 1450, 2575, 2705, 2987, 3625, 5150, 5410, 5974, 7250, 12875, 13525, 14935, 15689, 18125, 25750, 27050, 29870, 31378, 36250, 55723, 64375, 67625, 74675, 78445, 111446, 128750, 135250, 149350, 156890, 278615, 338125, 373375, 392225, 557230, 676250, 746750, 784450, 1393075, 1615967, 1866875, 1961125, 2786150, 3231934, 3733750, 3922250, 6965375, 8079835, 9805625, 13930750, 16159670, 19611250, 34826875, 40399175, 69653750, 80798350, 201995875, 403991750, 1009979375, 2019958750]

約数ペア:

[(1, 2019958750), (2, 1009979375), (5, 403991750), (10, 201995875), (25, 80798350), (29, 69653750), (50, 40399175), (58, 34826875), (103, 19611250), (125, 16159670), (145, 13930750), (206, 9805625), (250, 8079835), (290, 6965375), (515, 3922250), (541, 3733750), (625, 3231934), (725, 2786150), (1030, 1961125), (1082, 1866875), (1250, 1615967), (1450, 1393075), (2575, 784450), (2705, 746750), (2987, 676250), (3625, 557230), (5150, 392225), (5410, 373375), (5974, 338125), (7250, 278615), (12875, 156890), (13525, 149350), (14935, 135250), (15689, 128750), (18125, 111446), (25750, 78445), (27050, 74675), (29870, 67625), (31378, 64375), (36250, 55723)]