20759492050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{23029}}^1$

素因数の和:23212

約数の個数: 72

約数和(自身を含む): 42728710500

約数和(自身を除く): 21969218450

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 149, 242, 275, 298, 550, 605, 745, 1210, 1490, 1639, 3025, 3278, 3725, 6050, 7450, 8195, 16390, 18029, 23029, 36058, 40975, 46058, 81950, 90145, 115145, 180290, 230290, 253319, 450725, 506638, 575725, 901450, 1151450, 1266595, 2533190, 2786509, 3431321, 5573018, 6332975, 6862642, 12665950, 13932545, 17156605, 27865090, 34313210, 37744531, 69662725, 75489062, 85783025, 139325450, 171566050, 188722655, 377445310, 415189841, 830379682, 943613275, 1887226550, 2075949205, 4151898410, 10379746025, 20759492050]

約数ペア:

[(1, 20759492050), (2, 10379746025), (5, 4151898410), (10, 2075949205), (11, 1887226550), (22, 943613275), (25, 830379682), (50, 415189841), (55, 377445310), (110, 188722655), (121, 171566050), (149, 139325450), (242, 85783025), (275, 75489062), (298, 69662725), (550, 37744531), (605, 34313210), (745, 27865090), (1210, 17156605), (1490, 13932545), (1639, 12665950), (3025, 6862642), (3278, 6332975), (3725, 5573018), (6050, 3431321), (7450, 2786509), (8195, 2533190), (16390, 1266595), (18029, 1151450), (23029, 901450), (36058, 575725), (40975, 506638), (46058, 450725), (81950, 253319), (90145, 230290), (115145, 180290)]