255929700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 804948480

約数和(自身を除く): 549018780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 137, 150, 156, 195, 260, 274, 300, 325, 390, 411, 479, 548, 650, 685, 780, 822, 958, 975, 1300, 1370, 1437, 1644, 1781, 1916, 1950, 2055, 2395, 2740, 2874, 3425, 3562, 3900, 4110, 4790, 5343, 5748, 6227, 6850, 7124, 7185, 8220, 8905, 9580, 10275, 10686, 11975, 12454, 13700, 14370, 17810, 18681, 20550, 21372, 23950, 24908, 26715, 28740, 31135, 35620, 35925, 37362, 41100, 44525, 47900, 53430, 62270, 65623, 71850, 74724, 89050, 93405, 106860, 124540, 131246, 133575, 143700, 155675, 178100, 186810, 196869, 262492, 267150, 311350, 328115, 373620, 393738, 467025, 534300, 622700, 656230, 787476, 853099, 934050, 984345, 1312460, 1640575, 1706198, 1868100, 1968690, 2559297, 3281150, 3412396, 3937380, 4265495, 4921725, 5118594, 6562300, 8530990, 9843450, 10237188, 12796485, 17061980, 19686900, 21327475, 25592970, 42654950, 51185940, 63982425, 85309900, 127964850, 255929700]

約数ペア:

[(1, 255929700), (2, 127964850), (3, 85309900), (4, 63982425), (5, 51185940), (6, 42654950), (10, 25592970), (12, 21327475), (13, 19686900), (15, 17061980), (20, 12796485), (25, 10237188), (26, 9843450), (30, 8530990), (39, 6562300), (50, 5118594), (52, 4921725), (60, 4265495), (65, 3937380), (75, 3412396), (78, 3281150), (100, 2559297), (130, 1968690), (137, 1868100), (150, 1706198), (156, 1640575), (195, 1312460), (260, 984345), (274, 934050), (300, 853099), (325, 787476), (390, 656230), (411, 622700), (479, 534300), (548, 467025), (650, 393738), (685, 373620), (780, 328115), (822, 311350), (958, 267150), (975, 262492), (1300, 196869), (1370, 186810), (1437, 178100), (1644, 155675), (1781, 143700), (1916, 133575), (1950, 131246), (2055, 124540), (2395, 106860), (2740, 93405), (2874, 89050), (3425, 74724), (3562, 71850), (3900, 65623), (4110, 62270), (4790, 53430), (5343, 47900), (5748, 44525), (6227, 41100), (6850, 37362), (7124, 35925), (7185, 35620), (8220, 31135), (8905, 28740), (9580, 26715), (10275, 24908), (10686, 23950), (11975, 21372), (12454, 20550), (13700, 18681), (14370, 17810)]