16440700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 39841200

約数和(自身を除く): 23400500

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 323, 340, 380, 425, 475, 509, 646, 850, 950, 1018, 1292, 1615, 1700, 1900, 2036, 2545, 3230, 5090, 6460, 8075, 8653, 9671, 10180, 12725, 16150, 17306, 19342, 25450, 32300, 34612, 38684, 43265, 48355, 50900, 86530, 96710, 164407, 173060, 193420, 216325, 241775, 328814, 432650, 483550, 657628, 822035, 865300, 967100, 1644070, 3288140, 4110175, 8220350, 16440700]

約数ペア:

[(1, 16440700), (2, 8220350), (4, 4110175), (5, 3288140), (10, 1644070), (17, 967100), (19, 865300), (20, 822035), (25, 657628), (34, 483550), (38, 432650), (50, 328814), (68, 241775), (76, 216325), (85, 193420), (95, 173060), (100, 164407), (170, 96710), (190, 86530), (323, 50900), (340, 48355), (380, 43265), (425, 38684), (475, 34612), (509, 32300), (646, 25450), (850, 19342), (950, 17306), (1018, 16150), (1292, 12725), (1615, 10180), (1700, 9671), (1900, 8653), (2036, 8075), (2545, 6460), (3230, 5090)]