221569460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{4243}}^1$

素因数の和:4632

約数の個数: 48

約数和(自身を含む): 533318016

約数和(自身を除く): 311748556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 373, 746, 1492, 1865, 2611, 3730, 4243, 5222, 7460, 8486, 10444, 13055, 16972, 21215, 26110, 29701, 42430, 52220, 59402, 84860, 118804, 148505, 297010, 594020, 1582639, 3165278, 6330556, 7913195, 11078473, 15826390, 22156946, 31652780, 44313892, 55392365, 110784730, 221569460]

約数ペア:

[(1, 221569460), (2, 110784730), (4, 55392365), (5, 44313892), (7, 31652780), (10, 22156946), (14, 15826390), (20, 11078473), (28, 7913195), (35, 6330556), (70, 3165278), (140, 1582639), (373, 594020), (746, 297010), (1492, 148505), (1865, 118804), (2611, 84860), (3730, 59402), (4243, 52220), (5222, 42430), (7460, 29701), (8486, 26110), (10444, 21215), (13055, 16972)]