201449840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1$

素因数の和:586

約数の個数: 80

約数和(自身を含む): 483608928

約数和(自身を除く): 282159088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 157, 172, 215, 314, 344, 373, 430, 628, 688, 746, 785, 860, 1256, 1492, 1570, 1720, 1865, 2512, 2984, 3140, 3440, 3730, 5968, 6280, 6751, 7460, 12560, 13502, 14920, 16039, 27004, 29840, 32078, 33755, 54008, 58561, 64156, 67510, 80195, 108016, 117122, 128312, 135020, 160390, 234244, 256624, 270040, 292805, 320780, 468488, 540080, 585610, 641560, 936976, 1171220, 1283120, 2342440, 2518123, 4684880, 5036246, 10072492, 12590615, 20144984, 25181230, 40289968, 50362460, 100724920, 201449840]

約数ペア:

[(1, 201449840), (2, 100724920), (4, 50362460), (5, 40289968), (8, 25181230), (10, 20144984), (16, 12590615), (20, 10072492), (40, 5036246), (43, 4684880), (80, 2518123), (86, 2342440), (157, 1283120), (172, 1171220), (215, 936976), (314, 641560), (344, 585610), (373, 540080), (430, 468488), (628, 320780), (688, 292805), (746, 270040), (785, 256624), (860, 234244), (1256, 160390), (1492, 135020), (1570, 128312), (1720, 117122), (1865, 108016), (2512, 80195), (2984, 67510), (3140, 64156), (3440, 58561), (3730, 54008), (5968, 33755), (6280, 32078), (6751, 29840), (7460, 27004), (12560, 16039), (13502, 14920)]