149705000

素因数分解:

$2^3\times 5^4\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:484

約数の個数: 80

約数和(自身を含む): 356136000

約数和(自身を除く): 206431000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 200, 250, 316, 379, 395, 500, 625, 632, 758, 790, 1000, 1250, 1516, 1580, 1895, 1975, 2500, 3032, 3160, 3790, 3950, 5000, 7580, 7900, 9475, 9875, 15160, 15800, 18950, 19750, 29941, 37900, 39500, 47375, 49375, 59882, 75800, 79000, 94750, 98750, 119764, 149705, 189500, 197500, 236875, 239528, 299410, 379000, 395000, 473750, 598820, 748525, 947500, 1197640, 1497050, 1895000, 2994100, 3742625, 5988200, 7485250, 14970500, 18713125, 29941000, 37426250, 74852500, 149705000]

約数ペア:

[(1, 149705000), (2, 74852500), (4, 37426250), (5, 29941000), (8, 18713125), (10, 14970500), (20, 7485250), (25, 5988200), (40, 3742625), (50, 2994100), (79, 1895000), (100, 1497050), (125, 1197640), (158, 947500), (200, 748525), (250, 598820), (316, 473750), (379, 395000), (395, 379000), (500, 299410), (625, 239528), (632, 236875), (758, 197500), (790, 189500), (1000, 149705), (1250, 119764), (1516, 98750), (1580, 94750), (1895, 79000), (1975, 75800), (2500, 59882), (3032, 49375), (3160, 47375), (3790, 39500), (3950, 37900), (5000, 29941), (7580, 19750), (7900, 18950), (9475, 15800), (9875, 15160)]