2729123020820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{6271}}^1\times {\mathrm{444079}}^1$

素因数の和:450373

約数の個数: 72

約数和(自身を含む): 6667935805440

約数和(自身を除く): 3938812784620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 6271, 12542, 25084, 31355, 43897, 62710, 87794, 125420, 175588, 219485, 307279, 438970, 444079, 614558, 877940, 888158, 1229116, 1536395, 1776316, 2220395, 3072790, 3108553, 4440790, 6145580, 6217106, 8881580, 12434212, 15542765, 21759871, 31085530, 43519742, 62171060, 87039484, 108799355, 217598710, 435197420, 2784819409, 5569638818, 11139277636, 13924097045, 19493735863, 27848194090, 38987471726, 55696388180, 77974943452, 97468679315, 136456151041, 194937358630, 272912302082, 389874717260, 545824604164, 682280755205, 1364561510410, 2729123020820]

約数ペア:

[(1, 2729123020820), (2, 1364561510410), (4, 682280755205), (5, 545824604164), (7, 389874717260), (10, 272912302082), (14, 194937358630), (20, 136456151041), (28, 97468679315), (35, 77974943452), (49, 55696388180), (70, 38987471726), (98, 27848194090), (140, 19493735863), (196, 13924097045), (245, 11139277636), (490, 5569638818), (980, 2784819409), (6271, 435197420), (12542, 217598710), (25084, 108799355), (31355, 87039484), (43897, 62171060), (62710, 43519742), (87794, 31085530), (125420, 21759871), (175588, 15542765), (219485, 12434212), (307279, 8881580), (438970, 6217106), (444079, 6145580), (614558, 4440790), (877940, 3108553), (888158, 3072790), (1229116, 2220395), (1536395, 1776316)]