28665490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3079}}^1$

素因数の和:3119

約数の個数: 48

約数和(自身を含む): 63201600

約数和(自身を除く): 34536110

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 3079, 4655, 6158, 9310, 15395, 21553, 30790, 43106, 58501, 107765, 117002, 150871, 215530, 292505, 301742, 409507, 585010, 754355, 819014, 1508710, 2047535, 2866549, 4095070, 5733098, 14332745, 28665490]

約数ペア:

[(1, 28665490), (2, 14332745), (5, 5733098), (7, 4095070), (10, 2866549), (14, 2047535), (19, 1508710), (35, 819014), (38, 754355), (49, 585010), (70, 409507), (95, 301742), (98, 292505), (133, 215530), (190, 150871), (245, 117002), (266, 107765), (490, 58501), (665, 43106), (931, 30790), (1330, 21553), (1862, 15395), (3079, 9310), (4655, 6158)]