38895220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 106178688

約数和(自身を除く): 67283468

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 49, 52, 65, 70, 71, 86, 91, 98, 130, 140, 142, 172, 182, 196, 215, 245, 260, 284, 301, 355, 364, 430, 455, 490, 497, 559, 602, 637, 710, 860, 910, 923, 980, 994, 1118, 1204, 1274, 1420, 1505, 1820, 1846, 1988, 2107, 2236, 2485, 2548, 2795, 3010, 3053, 3185, 3479, 3692, 3913, 4214, 4615, 4970, 5590, 6020, 6106, 6370, 6461, 6958, 7826, 8428, 9230, 9940, 10535, 11180, 12212, 12740, 12922, 13916, 15265, 15652, 17395, 18460, 19565, 21070, 21371, 25844, 27391, 30530, 32305, 34790, 39130, 39689, 42140, 42742, 45227, 54782, 61060, 64610, 69580, 78260, 79378, 85484, 90454, 106855, 109564, 129220, 136955, 149597, 158756, 180908, 198445, 213710, 226135, 273910, 277823, 299194, 396890, 427420, 452270, 547820, 555646, 598388, 747985, 793780, 904540, 1111292, 1389115, 1495970, 1944761, 2778230, 2991940, 3889522, 5556460, 7779044, 9723805, 19447610, 38895220]

約数ペア:

[(1, 38895220), (2, 19447610), (4, 9723805), (5, 7779044), (7, 5556460), (10, 3889522), (13, 2991940), (14, 2778230), (20, 1944761), (26, 1495970), (28, 1389115), (35, 1111292), (43, 904540), (49, 793780), (52, 747985), (65, 598388), (70, 555646), (71, 547820), (86, 452270), (91, 427420), (98, 396890), (130, 299194), (140, 277823), (142, 273910), (172, 226135), (182, 213710), (196, 198445), (215, 180908), (245, 158756), (260, 149597), (284, 136955), (301, 129220), (355, 109564), (364, 106855), (430, 90454), (455, 85484), (490, 79378), (497, 78260), (559, 69580), (602, 64610), (637, 61060), (710, 54782), (860, 45227), (910, 42742), (923, 42140), (980, 39689), (994, 39130), (1118, 34790), (1204, 32305), (1274, 30530), (1420, 27391), (1505, 25844), (1820, 21371), (1846, 21070), (1988, 19565), (2107, 18460), (2236, 17395), (2485, 15652), (2548, 15265), (2795, 13916), (3010, 12922), (3053, 12740), (3185, 12212), (3479, 11180), (3692, 10535), (3913, 9940), (4214, 9230), (4615, 8428), (4970, 7826), (5590, 6958), (6020, 6461), (6106, 6370)]