349780480

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:310

約数の個数: 160

約数和(自身を含む): 972259200

約数和(自身を除く): 622478720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 131, 140, 149, 160, 224, 256, 262, 280, 298, 320, 448, 512, 524, 560, 596, 640, 655, 745, 896, 917, 1043, 1048, 1120, 1192, 1280, 1310, 1490, 1792, 1834, 2086, 2096, 2240, 2384, 2560, 2620, 2980, 3584, 3668, 4172, 4192, 4480, 4585, 4768, 5215, 5240, 5960, 7336, 8344, 8384, 8960, 9170, 9536, 10430, 10480, 11920, 14672, 16688, 16768, 17920, 18340, 19072, 19519, 20860, 20960, 23840, 29344, 33376, 33536, 36680, 38144, 39038, 41720, 41920, 47680, 58688, 66752, 67072, 73360, 76288, 78076, 83440, 83840, 95360, 97595, 117376, 133504, 136633, 146720, 156152, 166880, 167680, 190720, 195190, 234752, 267008, 273266, 293440, 312304, 333760, 335360, 381440, 390380, 469504, 534016, 546532, 586880, 624608, 667520, 683165, 780760, 1093064, 1173760, 1249216, 1335040, 1366330, 1561520, 2186128, 2347520, 2498432, 2670080, 2732660, 3123040, 4372256, 4996864, 5465320, 6246080, 8744512, 9993728, 10930640, 12492160, 17489024, 21861280, 24984320, 34978048, 43722560, 49968640, 69956096, 87445120, 174890240, 349780480]

約数ペア:

[(1, 349780480), (2, 174890240), (4, 87445120), (5, 69956096), (7, 49968640), (8, 43722560), (10, 34978048), (14, 24984320), (16, 21861280), (20, 17489024), (28, 12492160), (32, 10930640), (35, 9993728), (40, 8744512), (56, 6246080), (64, 5465320), (70, 4996864), (80, 4372256), (112, 3123040), (128, 2732660), (131, 2670080), (140, 2498432), (149, 2347520), (160, 2186128), (224, 1561520), (256, 1366330), (262, 1335040), (280, 1249216), (298, 1173760), (320, 1093064), (448, 780760), (512, 683165), (524, 667520), (560, 624608), (596, 586880), (640, 546532), (655, 534016), (745, 469504), (896, 390380), (917, 381440), (1043, 335360), (1048, 333760), (1120, 312304), (1192, 293440), (1280, 273266), (1310, 267008), (1490, 234752), (1792, 195190), (1834, 190720), (2086, 167680), (2096, 166880), (2240, 156152), (2384, 146720), (2560, 136633), (2620, 133504), (2980, 117376), (3584, 97595), (3668, 95360), (4172, 83840), (4192, 83440), (4480, 78076), (4585, 76288), (4768, 73360), (5215, 67072), (5240, 66752), (5960, 58688), (7336, 47680), (8344, 41920), (8384, 41720), (8960, 39038), (9170, 38144), (9536, 36680), (10430, 33536), (10480, 33376), (11920, 29344), (14672, 23840), (16688, 20960), (16768, 20860), (17920, 19519), (18340, 19072)]