528492760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1\times {\mathrm{491}}^1$

素因数の和:952

約数の個数: 64

約数和(自身を含む): 1211500800

約数和(自身を除く): 683008040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 379, 491, 568, 710, 758, 982, 1420, 1516, 1895, 1964, 2455, 2840, 3032, 3790, 3928, 4910, 7580, 9820, 15160, 19640, 26909, 34861, 53818, 69722, 107636, 134545, 139444, 174305, 186089, 215272, 269090, 278888, 348610, 372178, 538180, 697220, 744356, 930445, 1076360, 1394440, 1488712, 1860890, 3721780, 7443560, 13212319, 26424638, 52849276, 66061595, 105698552, 132123190, 264246380, 528492760]

約数ペア:

[(1, 528492760), (2, 264246380), (4, 132123190), (5, 105698552), (8, 66061595), (10, 52849276), (20, 26424638), (40, 13212319), (71, 7443560), (142, 3721780), (284, 1860890), (355, 1488712), (379, 1394440), (491, 1076360), (568, 930445), (710, 744356), (758, 697220), (982, 538180), (1420, 372178), (1516, 348610), (1895, 278888), (1964, 269090), (2455, 215272), (2840, 186089), (3032, 174305), (3790, 139444), (3928, 134545), (4910, 107636), (7580, 69722), (9820, 53818), (15160, 34861), (19640, 26909)]