39415880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 110592000

約数和(自身を除く): 71176120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 239, 248, 266, 280, 310, 380, 434, 478, 532, 589, 620, 665, 760, 868, 956, 1064, 1085, 1178, 1195, 1240, 1330, 1673, 1736, 1912, 2170, 2356, 2390, 2660, 2945, 3346, 4123, 4340, 4541, 4712, 4780, 5320, 5890, 6692, 7409, 8246, 8365, 8680, 9082, 9560, 11780, 13384, 14818, 16492, 16730, 18164, 20615, 22705, 23560, 29636, 31787, 32984, 33460, 36328, 37045, 41230, 45410, 51863, 59272, 63574, 66920, 74090, 82460, 90820, 103726, 127148, 140771, 148180, 158935, 164920, 181640, 207452, 254296, 259315, 281542, 296360, 317870, 414904, 518630, 563084, 635740, 703855, 985397, 1037260, 1126168, 1271480, 1407710, 1970794, 2074520, 2815420, 3941588, 4926985, 5630840, 7883176, 9853970, 19707940, 39415880]

約数ペア:

[(1, 39415880), (2, 19707940), (4, 9853970), (5, 7883176), (7, 5630840), (8, 4926985), (10, 3941588), (14, 2815420), (19, 2074520), (20, 1970794), (28, 1407710), (31, 1271480), (35, 1126168), (38, 1037260), (40, 985397), (56, 703855), (62, 635740), (70, 563084), (76, 518630), (95, 414904), (124, 317870), (133, 296360), (140, 281542), (152, 259315), (155, 254296), (190, 207452), (217, 181640), (239, 164920), (248, 158935), (266, 148180), (280, 140771), (310, 127148), (380, 103726), (434, 90820), (478, 82460), (532, 74090), (589, 66920), (620, 63574), (665, 59272), (760, 51863), (868, 45410), (956, 41230), (1064, 37045), (1085, 36328), (1178, 33460), (1195, 32984), (1240, 31787), (1330, 29636), (1673, 23560), (1736, 22705), (1912, 20615), (2170, 18164), (2356, 16730), (2390, 16492), (2660, 14818), (2945, 13384), (3346, 11780), (4123, 9560), (4340, 9082), (4541, 8680), (4712, 8365), (4780, 8246), (5320, 7409), (5890, 6692)]