8889262520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:537

約数の個数: 128

約数和(自身を含む): 20721096000

約数和(自身を除く): 11831833480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 113, 134, 149, 197, 226, 268, 298, 335, 394, 452, 536, 565, 596, 670, 745, 788, 904, 985, 1130, 1192, 1340, 1490, 1576, 1970, 2260, 2680, 2980, 3940, 4520, 5960, 7571, 7880, 9983, 13199, 15142, 16837, 19966, 22261, 26398, 29353, 30284, 33674, 37855, 39932, 44522, 49915, 52796, 58706, 60568, 65995, 67348, 75710, 79864, 84185, 89044, 99830, 105592, 111305, 117412, 131990, 134696, 146765, 151420, 168370, 178088, 199660, 222610, 234824, 263980, 293530, 302840, 336740, 399320, 445220, 527960, 587060, 673480, 890440, 1128079, 1174120, 1491487, 1966651, 2256158, 2982974, 3316889, 3933302, 4512316, 5640395, 5965948, 6633778, 7457435, 7866604, 9024632, 9833255, 11280790, 11931896, 13267556, 14914870, 15733208, 16584445, 19666510, 22561580, 26535112, 29829740, 33168890, 39333020, 45123160, 59659480, 66337780, 78666040, 132675560, 222231563, 444463126, 888926252, 1111157815, 1777852504, 2222315630, 4444631260, 8889262520]

約数ペア:

[(1, 8889262520), (2, 4444631260), (4, 2222315630), (5, 1777852504), (8, 1111157815), (10, 888926252), (20, 444463126), (40, 222231563), (67, 132675560), (113, 78666040), (134, 66337780), (149, 59659480), (197, 45123160), (226, 39333020), (268, 33168890), (298, 29829740), (335, 26535112), (394, 22561580), (452, 19666510), (536, 16584445), (565, 15733208), (596, 14914870), (670, 13267556), (745, 11931896), (788, 11280790), (904, 9833255), (985, 9024632), (1130, 7866604), (1192, 7457435), (1340, 6633778), (1490, 5965948), (1576, 5640395), (1970, 4512316), (2260, 3933302), (2680, 3316889), (2980, 2982974), (3940, 2256158), (4520, 1966651), (5960, 1491487), (7571, 1174120), (7880, 1128079), (9983, 890440), (13199, 673480), (15142, 587060), (16837, 527960), (19966, 445220), (22261, 399320), (26398, 336740), (29353, 302840), (30284, 293530), (33674, 263980), (37855, 234824), (39932, 222610), (44522, 199660), (49915, 178088), (52796, 168370), (58706, 151420), (60568, 146765), (65995, 134696), (67348, 131990), (75710, 117412), (79864, 111305), (84185, 105592), (89044, 99830)]