4898000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:133

約数の個数: 80

約数和(自身を含む): 12380160

約数和(自身を除く): 7482160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 79, 80, 100, 124, 125, 155, 158, 200, 248, 250, 310, 316, 395, 400, 496, 500, 620, 632, 775, 790, 1000, 1240, 1264, 1550, 1580, 1975, 2000, 2449, 2480, 3100, 3160, 3875, 3950, 4898, 6200, 6320, 7750, 7900, 9796, 9875, 12245, 12400, 15500, 15800, 19592, 19750, 24490, 31000, 31600, 39184, 39500, 48980, 61225, 62000, 79000, 97960, 122450, 158000, 195920, 244900, 306125, 489800, 612250, 979600, 1224500, 2449000, 4898000]

約数ペア:

[(1, 4898000), (2, 2449000), (4, 1224500), (5, 979600), (8, 612250), (10, 489800), (16, 306125), (20, 244900), (25, 195920), (31, 158000), (40, 122450), (50, 97960), (62, 79000), (79, 62000), (80, 61225), (100, 48980), (124, 39500), (125, 39184), (155, 31600), (158, 31000), (200, 24490), (248, 19750), (250, 19592), (310, 15800), (316, 15500), (395, 12400), (400, 12245), (496, 9875), (500, 9796), (620, 7900), (632, 7750), (775, 6320), (790, 6200), (1000, 4898), (1240, 3950), (1264, 3875), (1550, 3160), (1580, 3100), (1975, 2480), (2000, 2449)]