2227225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 3749760

約数和(自身を除く): 1522535

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 89, 91, 143, 175, 275, 325, 385, 445, 455, 623, 715, 979, 1001, 1157, 1925, 2225, 2275, 3115, 3575, 4895, 5005, 5785, 6853, 8099, 12727, 15575, 24475, 25025, 28925, 34265, 40495, 63635, 89089, 171325, 202475, 318175, 445445, 2227225]

約数ペア:

[(1, 2227225), (5, 445445), (7, 318175), (11, 202475), (13, 171325), (25, 89089), (35, 63635), (55, 40495), (65, 34265), (77, 28925), (89, 25025), (91, 24475), (143, 15575), (175, 12727), (275, 8099), (325, 6853), (385, 5785), (445, 5005), (455, 4895), (623, 3575), (715, 3115), (979, 2275), (1001, 2225), (1157, 1925)]