38369940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 129314304

約数和(自身を除く): 90944364

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 421, 434, 465, 490, 588, 620, 651, 735, 842, 868, 930, 980, 1085, 1263, 1302, 1470, 1519, 1684, 1860, 2105, 2170, 2526, 2604, 2940, 2947, 3038, 3255, 4210, 4340, 4557, 5052, 5894, 6076, 6315, 6510, 7595, 8420, 8841, 9114, 11788, 12630, 13020, 13051, 14735, 15190, 17682, 18228, 20629, 22785, 25260, 26102, 29470, 30380, 35364, 39153, 41258, 44205, 45570, 52204, 58940, 61887, 65255, 78306, 82516, 88410, 91140, 91357, 103145, 123774, 130510, 156612, 176820, 182714, 195765, 206290, 247548, 261020, 274071, 309435, 365428, 391530, 412580, 456785, 548142, 618870, 639499, 783060, 913570, 1096284, 1237740, 1278998, 1370355, 1827140, 1918497, 2557996, 2740710, 3197495, 3836994, 5481420, 6394990, 7673988, 9592485, 12789980, 19184970, 38369940]

約数ペア:

[(1, 38369940), (2, 19184970), (3, 12789980), (4, 9592485), (5, 7673988), (6, 6394990), (7, 5481420), (10, 3836994), (12, 3197495), (14, 2740710), (15, 2557996), (20, 1918497), (21, 1827140), (28, 1370355), (30, 1278998), (31, 1237740), (35, 1096284), (42, 913570), (49, 783060), (60, 639499), (62, 618870), (70, 548142), (84, 456785), (93, 412580), (98, 391530), (105, 365428), (124, 309435), (140, 274071), (147, 261020), (155, 247548), (186, 206290), (196, 195765), (210, 182714), (217, 176820), (245, 156612), (294, 130510), (310, 123774), (372, 103145), (420, 91357), (421, 91140), (434, 88410), (465, 82516), (490, 78306), (588, 65255), (620, 61887), (651, 58940), (735, 52204), (842, 45570), (868, 44205), (930, 41258), (980, 39153), (1085, 35364), (1263, 30380), (1302, 29470), (1470, 26102), (1519, 25260), (1684, 22785), (1860, 20629), (2105, 18228), (2170, 17682), (2526, 15190), (2604, 14735), (2940, 13051), (2947, 13020), (3038, 12630), (3255, 11788), (4210, 9114), (4340, 8841), (4557, 8420), (5052, 7595), (5894, 6510), (6076, 6315)]