203420536

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1367}}^1$

素因数の和:1492

約数の個数: 64

約数和(自身を含む): 443232000

約数和(自身を除く): 239811464

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 89, 152, 178, 209, 356, 418, 712, 836, 979, 1367, 1672, 1691, 1958, 2734, 3382, 3916, 5468, 6764, 7832, 10936, 13528, 15037, 18601, 25973, 30074, 37202, 51946, 60148, 74404, 103892, 120296, 121663, 148808, 207784, 243326, 285703, 486652, 571406, 973304, 1142812, 1338293, 2285624, 2311597, 2676586, 4623194, 5353172, 9246388, 10706344, 18492776, 25427567, 50855134, 101710268, 203420536]

約数ペア:

[(1, 203420536), (2, 101710268), (4, 50855134), (8, 25427567), (11, 18492776), (19, 10706344), (22, 9246388), (38, 5353172), (44, 4623194), (76, 2676586), (88, 2311597), (89, 2285624), (152, 1338293), (178, 1142812), (209, 973304), (356, 571406), (418, 486652), (712, 285703), (836, 243326), (979, 207784), (1367, 148808), (1672, 121663), (1691, 120296), (1958, 103892), (2734, 74404), (3382, 60148), (3916, 51946), (5468, 37202), (6764, 30074), (7832, 25973), (10936, 18601), (13528, 15037)]