254248720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{929}}^1$

素因数の和:1264

約数の個数: 80

約数和(自身を含む): 647637120

約数和(自身を除く): 393388400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 311, 440, 622, 880, 929, 1244, 1555, 1858, 2488, 3110, 3421, 3716, 4645, 4976, 6220, 6842, 7432, 9290, 10219, 12440, 13684, 14864, 17105, 18580, 20438, 24880, 27368, 34210, 37160, 40876, 51095, 54736, 68420, 74320, 81752, 102190, 136840, 163504, 204380, 273680, 288919, 408760, 577838, 817520, 1155676, 1444595, 2311352, 2889190, 3178109, 4622704, 5778380, 6356218, 11556760, 12712436, 15890545, 23113520, 25424872, 31781090, 50849744, 63562180, 127124360, 254248720]

約数ペア:

[(1, 254248720), (2, 127124360), (4, 63562180), (5, 50849744), (8, 31781090), (10, 25424872), (11, 23113520), (16, 15890545), (20, 12712436), (22, 11556760), (40, 6356218), (44, 5778380), (55, 4622704), (80, 3178109), (88, 2889190), (110, 2311352), (176, 1444595), (220, 1155676), (311, 817520), (440, 577838), (622, 408760), (880, 288919), (929, 273680), (1244, 204380), (1555, 163504), (1858, 136840), (2488, 102190), (3110, 81752), (3421, 74320), (3716, 68420), (4645, 54736), (4976, 51095), (6220, 40876), (6842, 37160), (7432, 34210), (9290, 27368), (10219, 24880), (12440, 20438), (13684, 18580), (14864, 17105)]