399898016

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:507

約数の個数: 144

約数和(自身を含む): 997436160

約数和(自身を除く): 597538144

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 49, 56, 62, 76, 98, 112, 124, 133, 152, 196, 217, 224, 248, 266, 304, 392, 433, 434, 496, 532, 589, 608, 784, 866, 868, 931, 992, 1064, 1178, 1519, 1568, 1732, 1736, 1862, 2128, 2356, 3031, 3038, 3464, 3472, 3724, 4123, 4256, 4712, 6062, 6076, 6928, 6944, 7448, 8227, 8246, 9424, 12124, 12152, 13423, 13856, 14896, 16454, 16492, 18848, 21217, 24248, 24304, 26846, 28861, 29792, 32908, 32984, 42434, 48496, 48608, 53692, 57589, 57722, 65816, 65968, 84868, 93961, 96992, 107384, 115178, 115444, 131632, 131936, 169736, 187922, 214768, 230356, 230888, 255037, 263264, 339472, 375844, 403123, 429536, 460712, 461776, 510074, 657727, 678944, 751688, 806246, 921424, 923552, 1020148, 1315454, 1503376, 1612492, 1785259, 1842848, 2040296, 2630908, 3006752, 3224984, 3570518, 4080592, 5261816, 6449968, 7141036, 8161184, 10523632, 12496813, 12899936, 14282072, 21047264, 24993626, 28564144, 49987252, 57128288, 99974504, 199949008, 399898016]

約数ペア:

[(1, 399898016), (2, 199949008), (4, 99974504), (7, 57128288), (8, 49987252), (14, 28564144), (16, 24993626), (19, 21047264), (28, 14282072), (31, 12899936), (32, 12496813), (38, 10523632), (49, 8161184), (56, 7141036), (62, 6449968), (76, 5261816), (98, 4080592), (112, 3570518), (124, 3224984), (133, 3006752), (152, 2630908), (196, 2040296), (217, 1842848), (224, 1785259), (248, 1612492), (266, 1503376), (304, 1315454), (392, 1020148), (433, 923552), (434, 921424), (496, 806246), (532, 751688), (589, 678944), (608, 657727), (784, 510074), (866, 461776), (868, 460712), (931, 429536), (992, 403123), (1064, 375844), (1178, 339472), (1519, 263264), (1568, 255037), (1732, 230888), (1736, 230356), (1862, 214768), (2128, 187922), (2356, 169736), (3031, 131936), (3038, 131632), (3464, 115444), (3472, 115178), (3724, 107384), (4123, 96992), (4256, 93961), (4712, 84868), (6062, 65968), (6076, 65816), (6928, 57722), (6944, 57589), (7448, 53692), (8227, 48608), (8246, 48496), (9424, 42434), (12124, 32984), (12152, 32908), (13423, 29792), (13856, 28861), (14896, 26846), (16454, 24304), (16492, 24248), (18848, 21217)]