220163515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 335301120

約数和(自身を除く): 115137605

約数列:

[1, 5, 11, 13, 17, 55, 59, 65, 85, 143, 187, 221, 295, 307, 649, 715, 767, 935, 1003, 1105, 1535, 2431, 3245, 3377, 3835, 3991, 5015, 5219, 8437, 11033, 12155, 13039, 16885, 18113, 19955, 26095, 42185, 43901, 55165, 57409, 65195, 67847, 90565, 143429, 199243, 219505, 235469, 287045, 307921, 339235, 717145, 746317, 996215, 1177345, 1539605, 2590159, 3387131, 3731585, 4002973, 12950795, 16935655, 20014865, 44032703, 220163515]

約数ペア:

[(1, 220163515), (5, 44032703), (11, 20014865), (13, 16935655), (17, 12950795), (55, 4002973), (59, 3731585), (65, 3387131), (85, 2590159), (143, 1539605), (187, 1177345), (221, 996215), (295, 746317), (307, 717145), (649, 339235), (715, 307921), (767, 287045), (935, 235469), (1003, 219505), (1105, 199243), (1535, 143429), (2431, 90565), (3245, 67847), (3377, 65195), (3835, 57409), (3991, 55165), (5015, 43901), (5219, 42185), (8437, 26095), (11033, 19955), (12155, 18113), (13039, 16885)]