313875380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:454

約数の個数: 144

約数和(自身を含む): 839776896

約数和(自身を除く): 525901516

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 71, 91, 98, 130, 140, 142, 182, 196, 245, 260, 284, 347, 355, 364, 455, 490, 497, 637, 694, 710, 910, 923, 980, 994, 1274, 1388, 1420, 1735, 1820, 1846, 1988, 2429, 2485, 2548, 3185, 3470, 3479, 3692, 4511, 4615, 4858, 4970, 6370, 6461, 6940, 6958, 9022, 9230, 9716, 9940, 12145, 12740, 12922, 13916, 17003, 17395, 18044, 18460, 22555, 24290, 24637, 25844, 31577, 32305, 34006, 34790, 45110, 45227, 48580, 49274, 63154, 64610, 68012, 69580, 85015, 90220, 90454, 98548, 123185, 126308, 129220, 157885, 170030, 172459, 180908, 221039, 226135, 246370, 315770, 320281, 340060, 344918, 442078, 452270, 492740, 631540, 640562, 689836, 862295, 884156, 904540, 1105195, 1207213, 1281124, 1601405, 1724590, 2210390, 2241967, 2414426, 3202810, 3449180, 4420780, 4483934, 4828852, 6036065, 6405620, 8967868, 11209835, 12072130, 15693769, 22419670, 24144260, 31387538, 44839340, 62775076, 78468845, 156937690, 313875380]

約数ペア:

[(1, 313875380), (2, 156937690), (4, 78468845), (5, 62775076), (7, 44839340), (10, 31387538), (13, 24144260), (14, 22419670), (20, 15693769), (26, 12072130), (28, 11209835), (35, 8967868), (49, 6405620), (52, 6036065), (65, 4828852), (70, 4483934), (71, 4420780), (91, 3449180), (98, 3202810), (130, 2414426), (140, 2241967), (142, 2210390), (182, 1724590), (196, 1601405), (245, 1281124), (260, 1207213), (284, 1105195), (347, 904540), (355, 884156), (364, 862295), (455, 689836), (490, 640562), (497, 631540), (637, 492740), (694, 452270), (710, 442078), (910, 344918), (923, 340060), (980, 320281), (994, 315770), (1274, 246370), (1388, 226135), (1420, 221039), (1735, 180908), (1820, 172459), (1846, 170030), (1988, 157885), (2429, 129220), (2485, 126308), (2548, 123185), (3185, 98548), (3470, 90454), (3479, 90220), (3692, 85015), (4511, 69580), (4615, 68012), (4858, 64610), (4970, 63154), (6370, 49274), (6461, 48580), (6940, 45227), (6958, 45110), (9022, 34790), (9230, 34006), (9716, 32305), (9940, 31577), (12145, 25844), (12740, 24637), (12922, 24290), (13916, 22555), (17003, 18460), (17395, 18044)]