291219566980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{1069}}^1\times {\mathrm{1259}}^1$

素因数の和:2717

約数の個数: 96

約数和(自身を含む): 634193280000

約数和(自身を除く): 342973713020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 349, 620, 698, 1069, 1259, 1396, 1745, 2138, 2518, 3490, 4276, 5036, 5345, 6295, 6980, 10690, 10819, 12590, 21380, 21638, 25180, 33139, 39029, 43276, 54095, 66278, 78058, 108190, 132556, 156116, 165695, 195145, 216380, 331390, 373081, 390290, 439391, 662780, 746162, 780580, 878782, 1345871, 1492324, 1757564, 1865405, 2196955, 2691742, 3730810, 4393910, 5383484, 6729355, 7461620, 8787820, 11565511, 13458710, 13621121, 23131022, 26917420, 27242242, 41722001, 46262044, 54484484, 57827555, 68105605, 83444002, 115655110, 136211210, 166888004, 208610005, 231310220, 272422420, 417220010, 469708979, 834440020, 939417958, 1878835916, 2348544895, 4697089790, 9394179580, 14560978349, 29121956698, 58243913396, 72804891745, 145609783490, 291219566980]

約数ペア:

[(1, 291219566980), (2, 145609783490), (4, 72804891745), (5, 58243913396), (10, 29121956698), (20, 14560978349), (31, 9394179580), (62, 4697089790), (124, 2348544895), (155, 1878835916), (310, 939417958), (349, 834440020), (620, 469708979), (698, 417220010), (1069, 272422420), (1259, 231310220), (1396, 208610005), (1745, 166888004), (2138, 136211210), (2518, 115655110), (3490, 83444002), (4276, 68105605), (5036, 57827555), (5345, 54484484), (6295, 46262044), (6980, 41722001), (10690, 27242242), (10819, 26917420), (12590, 23131022), (21380, 13621121), (21638, 13458710), (25180, 11565511), (33139, 8787820), (39029, 7461620), (43276, 6729355), (54095, 5383484), (66278, 4393910), (78058, 3730810), (108190, 2691742), (132556, 2196955), (156116, 1865405), (165695, 1757564), (195145, 1492324), (216380, 1345871), (331390, 878782), (373081, 780580), (390290, 746162), (439391, 662780)]