218815870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{34351}}^1$

素因数の和:34385

約数の個数: 48

約数和(自身を含む): 493432128

約数和(自身を除く): 274616258

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 34351, 68702, 171755, 240457, 343510, 446563, 480914, 893126, 1202285, 1683199, 2232815, 2404570, 3125941, 3366398, 4465630, 6251882, 8415995, 15629705, 16831990, 21881587, 31259410, 43763174, 109407935, 218815870]

約数ペア:

[(1, 218815870), (2, 109407935), (5, 43763174), (7, 31259410), (10, 21881587), (13, 16831990), (14, 15629705), (26, 8415995), (35, 6251882), (49, 4465630), (65, 3366398), (70, 3125941), (91, 2404570), (98, 2232815), (130, 1683199), (182, 1202285), (245, 893126), (455, 480914), (490, 446563), (637, 343510), (910, 240457), (1274, 171755), (3185, 68702), (6370, 34351)]