204472040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1\times {\mathrm{491}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 478224000

約数和(自身を除く): 273751960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 359, 491, 580, 718, 982, 1160, 1436, 1795, 1964, 2455, 2872, 3590, 3928, 4910, 7180, 9820, 10411, 14239, 14360, 19640, 20822, 28478, 41644, 52055, 56956, 71195, 83288, 104110, 113912, 142390, 176269, 208220, 284780, 352538, 416440, 569560, 705076, 881345, 1410152, 1762690, 3525380, 5111801, 7050760, 10223602, 20447204, 25559005, 40894408, 51118010, 102236020, 204472040]

約数ペア:

[(1, 204472040), (2, 102236020), (4, 51118010), (5, 40894408), (8, 25559005), (10, 20447204), (20, 10223602), (29, 7050760), (40, 5111801), (58, 3525380), (116, 1762690), (145, 1410152), (232, 881345), (290, 705076), (359, 569560), (491, 416440), (580, 352538), (718, 284780), (982, 208220), (1160, 176269), (1436, 142390), (1795, 113912), (1964, 104110), (2455, 83288), (2872, 71195), (3590, 56956), (3928, 52055), (4910, 41644), (7180, 28478), (9820, 20822), (10411, 19640), (14239, 14360)]