520068760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{40253}}^1$

素因数の和:40300

約数の個数: 64

約数和(自身を含む): 1304229600

約数和(自身を除く): 784160840

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 12920, 40253, 80506, 161012, 201265, 322024, 402530, 684301, 764807, 805060, 1368602, 1529614, 1610120, 2737204, 3059228, 3421505, 3824035, 5474408, 6118456, 6843010, 7648070, 13001719, 13686020, 15296140, 26003438, 27372040, 30592280, 52006876, 65008595, 104013752, 130017190, 260034380, 520068760]

約数ペア:

[(1, 520068760), (2, 260034380), (4, 130017190), (5, 104013752), (8, 65008595), (10, 52006876), (17, 30592280), (19, 27372040), (20, 26003438), (34, 15296140), (38, 13686020), (40, 13001719), (68, 7648070), (76, 6843010), (85, 6118456), (95, 5474408), (136, 3824035), (152, 3421505), (170, 3059228), (190, 2737204), (323, 1610120), (340, 1529614), (380, 1368602), (646, 805060), (680, 764807), (760, 684301), (1292, 402530), (1615, 322024), (2584, 201265), (3230, 161012), (6460, 80506), (12920, 40253)]