39375980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 101122560

約数和(自身を除く): 61746580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 113, 131, 133, 140, 190, 226, 262, 266, 380, 452, 524, 532, 565, 655, 665, 791, 917, 1130, 1310, 1330, 1582, 1834, 2147, 2260, 2489, 2620, 2660, 3164, 3668, 3955, 4294, 4585, 4978, 7910, 8588, 9170, 9956, 10735, 12445, 14803, 15029, 15820, 17423, 18340, 21470, 24890, 29606, 30058, 34846, 42940, 49780, 59212, 60116, 69692, 74015, 75145, 87115, 103621, 148030, 150290, 174230, 207242, 281257, 296060, 300580, 348460, 414484, 518105, 562514, 1036210, 1125028, 1406285, 1968799, 2072420, 2812570, 3937598, 5625140, 7875196, 9843995, 19687990, 39375980]

約数ペア:

[(1, 39375980), (2, 19687990), (4, 9843995), (5, 7875196), (7, 5625140), (10, 3937598), (14, 2812570), (19, 2072420), (20, 1968799), (28, 1406285), (35, 1125028), (38, 1036210), (70, 562514), (76, 518105), (95, 414484), (113, 348460), (131, 300580), (133, 296060), (140, 281257), (190, 207242), (226, 174230), (262, 150290), (266, 148030), (380, 103621), (452, 87115), (524, 75145), (532, 74015), (565, 69692), (655, 60116), (665, 59212), (791, 49780), (917, 42940), (1130, 34846), (1310, 30058), (1330, 29606), (1582, 24890), (1834, 21470), (2147, 18340), (2260, 17423), (2489, 15820), (2620, 15029), (2660, 14803), (3164, 12445), (3668, 10735), (3955, 9956), (4294, 9170), (4585, 8588), (4978, 7910)]