31820554100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{71171}}^1$

素因数の和:71465

約数の個数: 72

約数和(自身を含む): 73391427648

約数和(自身を除く): 41570873548

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 263, 340, 425, 526, 850, 1052, 1315, 1700, 2630, 4471, 5260, 6575, 8942, 13150, 17884, 22355, 26300, 44710, 71171, 89420, 111775, 142342, 223550, 284684, 355855, 447100, 711710, 1209907, 1423420, 1779275, 2419814, 3558550, 4839628, 6049535, 7117100, 12099070, 18717973, 24198140, 30247675, 37435946, 60495350, 74871892, 93589865, 120990700, 187179730, 318205541, 374359460, 467949325, 636411082, 935898650, 1272822164, 1591027705, 1871797300, 3182055410, 6364110820, 7955138525, 15910277050, 31820554100]

約数ペア:

[(1, 31820554100), (2, 15910277050), (4, 7955138525), (5, 6364110820), (10, 3182055410), (17, 1871797300), (20, 1591027705), (25, 1272822164), (34, 935898650), (50, 636411082), (68, 467949325), (85, 374359460), (100, 318205541), (170, 187179730), (263, 120990700), (340, 93589865), (425, 74871892), (526, 60495350), (850, 37435946), (1052, 30247675), (1315, 24198140), (1700, 18717973), (2630, 12099070), (4471, 7117100), (5260, 6049535), (6575, 4839628), (8942, 3558550), (13150, 2419814), (17884, 1779275), (22355, 1423420), (26300, 1209907), (44710, 711710), (71171, 447100), (89420, 355855), (111775, 284684), (142342, 223550)]