438165640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1493}}^1$

素因数の和:1567

約数の個数: 128

約数和(自身を含む): 1161734400

約数和(自身を除く): 723568760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 29, 40, 44, 46, 55, 58, 88, 92, 110, 115, 116, 145, 184, 220, 230, 232, 253, 290, 319, 440, 460, 506, 580, 638, 667, 920, 1012, 1160, 1265, 1276, 1334, 1493, 1595, 2024, 2530, 2552, 2668, 2986, 3190, 3335, 5060, 5336, 5972, 6380, 6670, 7337, 7465, 10120, 11944, 12760, 13340, 14674, 14930, 16423, 26680, 29348, 29860, 32846, 34339, 36685, 43297, 58696, 59720, 65692, 68678, 73370, 82115, 86594, 131384, 137356, 146740, 164230, 171695, 173188, 216485, 274712, 293480, 328460, 343390, 346376, 377729, 432970, 476267, 656920, 686780, 755458, 865940, 952534, 995831, 1373560, 1510916, 1731880, 1888645, 1905068, 1991662, 2381335, 3021832, 3777290, 3810136, 3983324, 4762670, 4979155, 7554580, 7966648, 9525340, 9958310, 10954141, 15109160, 19050680, 19916620, 21908282, 39833240, 43816564, 54770705, 87633128, 109541410, 219082820, 438165640]

約数ペア:

[(1, 438165640), (2, 219082820), (4, 109541410), (5, 87633128), (8, 54770705), (10, 43816564), (11, 39833240), (20, 21908282), (22, 19916620), (23, 19050680), (29, 15109160), (40, 10954141), (44, 9958310), (46, 9525340), (55, 7966648), (58, 7554580), (88, 4979155), (92, 4762670), (110, 3983324), (115, 3810136), (116, 3777290), (145, 3021832), (184, 2381335), (220, 1991662), (230, 1905068), (232, 1888645), (253, 1731880), (290, 1510916), (319, 1373560), (440, 995831), (460, 952534), (506, 865940), (580, 755458), (638, 686780), (667, 656920), (920, 476267), (1012, 432970), (1160, 377729), (1265, 346376), (1276, 343390), (1334, 328460), (1493, 293480), (1595, 274712), (2024, 216485), (2530, 173188), (2552, 171695), (2668, 164230), (2986, 146740), (3190, 137356), (3335, 131384), (5060, 86594), (5336, 82115), (5972, 73370), (6380, 68678), (6670, 65692), (7337, 59720), (7465, 58696), (10120, 43297), (11944, 36685), (12760, 34339), (13340, 32846), (14674, 29860), (14930, 29348), (16423, 26680)]