90557420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1427}}^1$

素因数の和:1622

約数の個数: 48

約数和(自身を含む): 201519360

約数和(自身を除く): 110961940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 334, 380, 668, 835, 1427, 1670, 2854, 3173, 3340, 5708, 6346, 7135, 12692, 14270, 15865, 27113, 28540, 31730, 54226, 63460, 108452, 135565, 238309, 271130, 476618, 542260, 953236, 1191545, 2383090, 4527871, 4766180, 9055742, 18111484, 22639355, 45278710, 90557420]

約数ペア:

[(1, 90557420), (2, 45278710), (4, 22639355), (5, 18111484), (10, 9055742), (19, 4766180), (20, 4527871), (38, 2383090), (76, 1191545), (95, 953236), (167, 542260), (190, 476618), (334, 271130), (380, 238309), (668, 135565), (835, 108452), (1427, 63460), (1670, 54226), (2854, 31730), (3173, 28540), (3340, 27113), (5708, 15865), (6346, 14270), (7135, 12692)]