28835000

素因数分解:

$2^3\times 5^4\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 69352800

約数和(自身を除く): 40517800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 79, 100, 125, 146, 158, 200, 250, 292, 316, 365, 395, 500, 584, 625, 632, 730, 790, 1000, 1250, 1460, 1580, 1825, 1975, 2500, 2920, 3160, 3650, 3950, 5000, 5767, 7300, 7900, 9125, 9875, 11534, 14600, 15800, 18250, 19750, 23068, 28835, 36500, 39500, 45625, 46136, 49375, 57670, 73000, 79000, 91250, 98750, 115340, 144175, 182500, 197500, 230680, 288350, 365000, 395000, 576700, 720875, 1153400, 1441750, 2883500, 3604375, 5767000, 7208750, 14417500, 28835000]

約数ペア:

[(1, 28835000), (2, 14417500), (4, 7208750), (5, 5767000), (8, 3604375), (10, 2883500), (20, 1441750), (25, 1153400), (40, 720875), (50, 576700), (73, 395000), (79, 365000), (100, 288350), (125, 230680), (146, 197500), (158, 182500), (200, 144175), (250, 115340), (292, 98750), (316, 91250), (365, 79000), (395, 73000), (500, 57670), (584, 49375), (625, 46136), (632, 45625), (730, 39500), (790, 36500), (1000, 28835), (1250, 23068), (1460, 19750), (1580, 18250), (1825, 15800), (1975, 14600), (2500, 11534), (2920, 9875), (3160, 9125), (3650, 7900), (3950, 7300), (5000, 5767)]