80394700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 108

約数和(自身を含む): 196440552

約数和(自身を除く): 116045852

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 131, 170, 190, 262, 323, 340, 361, 380, 425, 475, 524, 646, 655, 722, 850, 950, 1292, 1310, 1444, 1615, 1700, 1805, 1900, 2227, 2489, 2620, 3230, 3275, 3610, 4454, 4978, 6137, 6460, 6550, 7220, 8075, 8908, 9025, 9956, 11135, 12274, 12445, 13100, 16150, 18050, 22270, 24548, 24890, 30685, 32300, 36100, 42313, 44540, 47291, 49780, 55675, 61370, 62225, 84626, 94582, 111350, 122740, 124450, 153425, 169252, 189164, 211565, 222700, 236455, 248900, 306850, 423130, 472910, 613700, 803947, 846260, 945820, 1057825, 1182275, 1607894, 2115650, 2364550, 3215788, 4019735, 4231300, 4729100, 8039470, 16078940, 20098675, 40197350, 80394700]

約数ペア:

[(1, 80394700), (2, 40197350), (4, 20098675), (5, 16078940), (10, 8039470), (17, 4729100), (19, 4231300), (20, 4019735), (25, 3215788), (34, 2364550), (38, 2115650), (50, 1607894), (68, 1182275), (76, 1057825), (85, 945820), (95, 846260), (100, 803947), (131, 613700), (170, 472910), (190, 423130), (262, 306850), (323, 248900), (340, 236455), (361, 222700), (380, 211565), (425, 189164), (475, 169252), (524, 153425), (646, 124450), (655, 122740), (722, 111350), (850, 94582), (950, 84626), (1292, 62225), (1310, 61370), (1444, 55675), (1615, 49780), (1700, 47291), (1805, 44540), (1900, 42313), (2227, 36100), (2489, 32300), (2620, 30685), (3230, 24890), (3275, 24548), (3610, 22270), (4454, 18050), (4978, 16150), (6137, 13100), (6460, 12445), (6550, 12274), (7220, 11135), (8075, 9956), (8908, 9025)]