201225236875

素因数分解:

$5^4\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{31231}}^1$

素因数の和:31338

約数の個数: 60

約数和(自身を含む): 276753810432

約数和(自身を除く): 75528573557

約数列:

[1, 5, 13, 25, 61, 65, 125, 169, 305, 325, 625, 793, 845, 1525, 1625, 3965, 4225, 7625, 8125, 10309, 19825, 21125, 31231, 38125, 51545, 99125, 105625, 156155, 257725, 406003, 495625, 780775, 1288625, 1905091, 2030015, 3903875, 5278039, 6443125, 9525455, 10150075, 19519375, 24766183, 26390195, 47627275, 50750375, 123830915, 131950975, 238136375, 253751875, 321960379, 619154575, 659754875, 1190681875, 1609801895, 3095772875, 3298774375, 8049009475, 15478864375, 40245047375, 201225236875]

約数ペア:

[(1, 201225236875), (5, 40245047375), (13, 15478864375), (25, 8049009475), (61, 3298774375), (65, 3095772875), (125, 1609801895), (169, 1190681875), (305, 659754875), (325, 619154575), (625, 321960379), (793, 253751875), (845, 238136375), (1525, 131950975), (1625, 123830915), (3965, 50750375), (4225, 47627275), (7625, 26390195), (8125, 24766183), (10309, 19519375), (19825, 10150075), (21125, 9525455), (31231, 6443125), (38125, 5278039), (51545, 3903875), (99125, 2030015), (105625, 1905091), (156155, 1288625), (257725, 780775), (406003, 495625)]