201429320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2663}}^1$

素因数の和:2766

約数の個数: 64

約数和(自身を含む): 475683840

約数和(自身を除く): 274254520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1891, 2440, 2663, 3782, 5326, 7564, 9455, 10652, 13315, 15128, 18910, 21304, 26630, 37820, 53260, 75640, 82553, 106520, 162443, 165106, 324886, 330212, 412765, 649772, 660424, 812215, 825530, 1299544, 1624430, 1651060, 3248860, 3302120, 5035733, 6497720, 10071466, 20142932, 25178665, 40285864, 50357330, 100714660, 201429320]

約数ペア:

[(1, 201429320), (2, 100714660), (4, 50357330), (5, 40285864), (8, 25178665), (10, 20142932), (20, 10071466), (31, 6497720), (40, 5035733), (61, 3302120), (62, 3248860), (122, 1651060), (124, 1624430), (155, 1299544), (244, 825530), (248, 812215), (305, 660424), (310, 649772), (488, 412765), (610, 330212), (620, 324886), (1220, 165106), (1240, 162443), (1891, 106520), (2440, 82553), (2663, 75640), (3782, 53260), (5326, 37820), (7564, 26630), (9455, 21304), (10652, 18910), (13315, 15128)]