898984120

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1\times {\mathrm{797}}^1$

素因数の和:1144

約数の個数: 64

約数和(自身を含む): 2049455520

約数和(自身を除く): 1150471400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 173, 326, 346, 652, 692, 797, 815, 865, 1304, 1384, 1594, 1630, 1730, 3188, 3260, 3460, 3985, 6376, 6520, 6920, 7970, 15940, 28199, 31880, 56398, 112796, 129911, 137881, 140995, 225592, 259822, 275762, 281990, 519644, 551524, 563980, 649555, 689405, 1039288, 1103048, 1127960, 1299110, 1378810, 2598220, 2757620, 5196440, 5515240, 22474603, 44949206, 89898412, 112373015, 179796824, 224746030, 449492060, 898984120]

約数ペア:

[(1, 898984120), (2, 449492060), (4, 224746030), (5, 179796824), (8, 112373015), (10, 89898412), (20, 44949206), (40, 22474603), (163, 5515240), (173, 5196440), (326, 2757620), (346, 2598220), (652, 1378810), (692, 1299110), (797, 1127960), (815, 1103048), (865, 1039288), (1304, 689405), (1384, 649555), (1594, 563980), (1630, 551524), (1730, 519644), (3188, 281990), (3260, 275762), (3460, 259822), (3985, 225592), (6376, 140995), (6520, 137881), (6920, 129911), (7970, 112796), (15940, 56398), (28199, 31880)]