305398590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{76541}}^1$

素因数の和:76577

約数の個数: 64

約数和(自身を含む): 881763840

約数和(自身を除く): 576365250

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 76541, 153082, 229623, 382705, 459246, 535787, 765410, 1071574, 1148115, 1454279, 1607361, 2296230, 2678935, 2908558, 3214722, 4362837, 5357870, 7271395, 8036805, 8725674, 10179953, 14542790, 16073610, 20359906, 21814185, 30539859, 43628370, 50899765, 61079718, 101799530, 152699295, 305398590]

約数ペア:

[(1, 305398590), (2, 152699295), (3, 101799530), (5, 61079718), (6, 50899765), (7, 43628370), (10, 30539859), (14, 21814185), (15, 20359906), (19, 16073610), (21, 14542790), (30, 10179953), (35, 8725674), (38, 8036805), (42, 7271395), (57, 5357870), (70, 4362837), (95, 3214722), (105, 2908558), (114, 2678935), (133, 2296230), (190, 1607361), (210, 1454279), (266, 1148115), (285, 1071574), (399, 765410), (570, 535787), (665, 459246), (798, 382705), (1330, 229623), (1995, 153082), (3990, 76541)]