139413820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 379669248

約数和(自身を除く): 240255428

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 70, 91, 98, 124, 130, 140, 155, 182, 196, 217, 245, 260, 310, 353, 364, 403, 434, 455, 490, 620, 637, 706, 806, 868, 910, 980, 1085, 1274, 1412, 1519, 1612, 1765, 1820, 2015, 2170, 2471, 2548, 2821, 3038, 3185, 3530, 4030, 4340, 4589, 4942, 5642, 6076, 6370, 7060, 7595, 8060, 9178, 9884, 10943, 11284, 12355, 12740, 14105, 15190, 17297, 18356, 19747, 21886, 22945, 24710, 28210, 30380, 32123, 34594, 39494, 43772, 45890, 49420, 54715, 56420, 64246, 69188, 76601, 78988, 86485, 91780, 98735, 109430, 128492, 142259, 153202, 160615, 172970, 197470, 218860, 224861, 284518, 306404, 321230, 345940, 383005, 394940, 449722, 536207, 569036, 642460, 711295, 766010, 899444, 995813, 1072414, 1124305, 1422590, 1532020, 1991626, 2144828, 2248610, 2681035, 2845180, 3983252, 4497220, 4979065, 5362070, 6970691, 9958130, 10724140, 13941382, 19916260, 27882764, 34853455, 69706910, 139413820]

約数ペア:

[(1, 139413820), (2, 69706910), (4, 34853455), (5, 27882764), (7, 19916260), (10, 13941382), (13, 10724140), (14, 9958130), (20, 6970691), (26, 5362070), (28, 4979065), (31, 4497220), (35, 3983252), (49, 2845180), (52, 2681035), (62, 2248610), (65, 2144828), (70, 1991626), (91, 1532020), (98, 1422590), (124, 1124305), (130, 1072414), (140, 995813), (155, 899444), (182, 766010), (196, 711295), (217, 642460), (245, 569036), (260, 536207), (310, 449722), (353, 394940), (364, 383005), (403, 345940), (434, 321230), (455, 306404), (490, 284518), (620, 224861), (637, 218860), (706, 197470), (806, 172970), (868, 160615), (910, 153202), (980, 142259), (1085, 128492), (1274, 109430), (1412, 98735), (1519, 91780), (1612, 86485), (1765, 78988), (1820, 76601), (2015, 69188), (2170, 64246), (2471, 56420), (2548, 54715), (2821, 49420), (3038, 45890), (3185, 43772), (3530, 39494), (4030, 34594), (4340, 32123), (4589, 30380), (4942, 28210), (5642, 24710), (6076, 22945), (6370, 21886), (7060, 19747), (7595, 18356), (8060, 17297), (9178, 15190), (9884, 14105), (10943, 12740), (11284, 12355)]