201428900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{673}}^1$

素因数の和:801

約数の個数: 72

約数和(自身を含む): 454569864

約数和(自身を除く): 253140964

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 73, 82, 100, 146, 164, 205, 292, 365, 410, 673, 730, 820, 1025, 1346, 1460, 1825, 2050, 2692, 2993, 3365, 3650, 4100, 5986, 6730, 7300, 11972, 13460, 14965, 16825, 27593, 29930, 33650, 49129, 55186, 59860, 67300, 74825, 98258, 110372, 137965, 149650, 196516, 245645, 275930, 299300, 491290, 551860, 689825, 982580, 1228225, 1379650, 2014289, 2456450, 2759300, 4028578, 4912900, 8057156, 10071445, 20142890, 40285780, 50357225, 100714450, 201428900]

約数ペア:

[(1, 201428900), (2, 100714450), (4, 50357225), (5, 40285780), (10, 20142890), (20, 10071445), (25, 8057156), (41, 4912900), (50, 4028578), (73, 2759300), (82, 2456450), (100, 2014289), (146, 1379650), (164, 1228225), (205, 982580), (292, 689825), (365, 551860), (410, 491290), (673, 299300), (730, 275930), (820, 245645), (1025, 196516), (1346, 149650), (1460, 137965), (1825, 110372), (2050, 98258), (2692, 74825), (2993, 67300), (3365, 59860), (3650, 55186), (4100, 49129), (5986, 33650), (6730, 29930), (7300, 27593), (11972, 16825), (13460, 14965)]