203460740

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 120

約数和(自身を含む): 527036160

約数和(自身を除く): 323575420

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 223, 245, 266, 343, 380, 446, 490, 532, 665, 686, 892, 931, 980, 1115, 1330, 1372, 1561, 1715, 1862, 2230, 2401, 2660, 3122, 3430, 3724, 4237, 4460, 4655, 4802, 6244, 6517, 6860, 7805, 8474, 9310, 9604, 10927, 12005, 13034, 15610, 16948, 18620, 21185, 21854, 24010, 26068, 29659, 31220, 32585, 42370, 43708, 45619, 48020, 54635, 59318, 65170, 76489, 84740, 91238, 109270, 118636, 130340, 148295, 152978, 182476, 207613, 218540, 228095, 296590, 305956, 382445, 415226, 456190, 535423, 593180, 764890, 830452, 912380, 1038065, 1070846, 1453291, 1529780, 2076130, 2141692, 2677115, 2906582, 4152260, 5354230, 5813164, 7266455, 10173037, 10708460, 14532910, 20346074, 29065820, 40692148, 50865185, 101730370, 203460740]

約数ペア:

[(1, 203460740), (2, 101730370), (4, 50865185), (5, 40692148), (7, 29065820), (10, 20346074), (14, 14532910), (19, 10708460), (20, 10173037), (28, 7266455), (35, 5813164), (38, 5354230), (49, 4152260), (70, 2906582), (76, 2677115), (95, 2141692), (98, 2076130), (133, 1529780), (140, 1453291), (190, 1070846), (196, 1038065), (223, 912380), (245, 830452), (266, 764890), (343, 593180), (380, 535423), (446, 456190), (490, 415226), (532, 382445), (665, 305956), (686, 296590), (892, 228095), (931, 218540), (980, 207613), (1115, 182476), (1330, 152978), (1372, 148295), (1561, 130340), (1715, 118636), (1862, 109270), (2230, 91238), (2401, 84740), (2660, 76489), (3122, 65170), (3430, 59318), (3724, 54635), (4237, 48020), (4460, 45619), (4655, 43708), (4802, 42370), (6244, 32585), (6517, 31220), (6860, 29659), (7805, 26068), (8474, 24010), (9310, 21854), (9604, 21185), (10927, 18620), (12005, 16948), (13034, 15610)]