399221160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13469}}^1$

素因数の和:13515

約数の個数: 128

約数和(自身を含む): 1357776000

約数和(自身を除く): 958554840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2964, 3705, 4940, 5928, 7410, 9880, 13469, 14820, 26938, 29640, 40407, 53876, 67345, 80814, 107752, 134690, 161628, 175097, 202035, 255911, 269380, 323256, 350194, 404070, 511822, 525291, 538760, 700388, 767733, 808140, 875485, 1023644, 1050582, 1279555, 1400776, 1535466, 1616280, 1750970, 2047288, 2101164, 2559110, 2626455, 3070932, 3326843, 3501940, 3838665, 4202328, 5118220, 5252910, 6141864, 6653686, 7003880, 7677330, 9980529, 10236440, 10505820, 13307372, 15354660, 16634215, 19961058, 21011640, 26614744, 30709320, 33268430, 39922116, 49902645, 66536860, 79844232, 99805290, 133073720, 199610580, 399221160]

約数ペア:

[(1, 399221160), (2, 199610580), (3, 133073720), (4, 99805290), (5, 79844232), (6, 66536860), (8, 49902645), (10, 39922116), (12, 33268430), (13, 30709320), (15, 26614744), (19, 21011640), (20, 19961058), (24, 16634215), (26, 15354660), (30, 13307372), (38, 10505820), (39, 10236440), (40, 9980529), (52, 7677330), (57, 7003880), (60, 6653686), (65, 6141864), (76, 5252910), (78, 5118220), (95, 4202328), (104, 3838665), (114, 3501940), (120, 3326843), (130, 3070932), (152, 2626455), (156, 2559110), (190, 2101164), (195, 2047288), (228, 1750970), (247, 1616280), (260, 1535466), (285, 1400776), (312, 1279555), (380, 1050582), (390, 1023644), (456, 875485), (494, 808140), (520, 767733), (570, 700388), (741, 538760), (760, 525291), (780, 511822), (988, 404070), (1140, 350194), (1235, 323256), (1482, 269380), (1560, 255911), (1976, 202035), (2280, 175097), (2470, 161628), (2964, 134690), (3705, 107752), (4940, 80814), (5928, 67345), (7410, 53876), (9880, 40407), (13469, 29640), (14820, 26938)]