400219320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{145007}}^1$

素因数の和:145044

約数の個数: 64

約数和(自身を含む): 1252869120

約数和(自身を除く): 852649800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 145007, 290014, 435021, 580028, 725035, 870042, 1160056, 1450070, 1740084, 2175105, 2900140, 3335161, 3480168, 4350210, 5800280, 6670322, 8700420, 10005483, 13340644, 16675805, 17400840, 20010966, 26681288, 33351610, 40021932, 50027415, 66703220, 80043864, 100054830, 133406440, 200109660, 400219320]

約数ペア:

[(1, 400219320), (2, 200109660), (3, 133406440), (4, 100054830), (5, 80043864), (6, 66703220), (8, 50027415), (10, 40021932), (12, 33351610), (15, 26681288), (20, 20010966), (23, 17400840), (24, 16675805), (30, 13340644), (40, 10005483), (46, 8700420), (60, 6670322), (69, 5800280), (92, 4350210), (115, 3480168), (120, 3335161), (138, 2900140), (184, 2175105), (230, 1740084), (276, 1450070), (345, 1160056), (460, 870042), (552, 725035), (690, 580028), (920, 435021), (1380, 290014), (2760, 145007)]