1285149100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{463}}^1\times {\mathrm{677}}^1$

素因数の和:1195

約数の個数: 72

約数和(自身を含む): 2867191488

約数和(自身を除く): 1582042388

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 463, 677, 820, 926, 1025, 1354, 1852, 2050, 2315, 2708, 3385, 4100, 4630, 6770, 9260, 11575, 13540, 16925, 18983, 23150, 27757, 33850, 37966, 46300, 55514, 67700, 75932, 94915, 111028, 138785, 189830, 277570, 313451, 379660, 474575, 555140, 626902, 693925, 949150, 1253804, 1387850, 1567255, 1898300, 2775700, 3134510, 6269020, 7836275, 12851491, 15672550, 25702982, 31345100, 51405964, 64257455, 128514910, 257029820, 321287275, 642574550, 1285149100]

約数ペア:

[(1, 1285149100), (2, 642574550), (4, 321287275), (5, 257029820), (10, 128514910), (20, 64257455), (25, 51405964), (41, 31345100), (50, 25702982), (82, 15672550), (100, 12851491), (164, 7836275), (205, 6269020), (410, 3134510), (463, 2775700), (677, 1898300), (820, 1567255), (926, 1387850), (1025, 1253804), (1354, 949150), (1852, 693925), (2050, 626902), (2315, 555140), (2708, 474575), (3385, 379660), (4100, 313451), (4630, 277570), (6770, 189830), (9260, 138785), (11575, 111028), (13540, 94915), (16925, 75932), (18983, 67700), (23150, 55514), (27757, 46300), (33850, 37966)]