898986440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{281}}^1\times {\mathrm{661}}^1$

素因数の和:975

約数の個数: 96

約数和(自身を含む): 2234607480

約数和(自身を除く): 1335621040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 281, 440, 484, 562, 605, 661, 968, 1124, 1210, 1322, 1405, 2248, 2420, 2644, 2810, 3091, 3305, 4840, 5288, 5620, 6182, 6610, 7271, 11240, 12364, 13220, 14542, 15455, 24728, 26440, 29084, 30910, 34001, 36355, 58168, 61820, 68002, 72710, 79981, 123640, 136004, 145420, 159962, 170005, 185741, 272008, 290840, 319924, 340010, 371482, 399905, 639848, 680020, 742964, 799810, 928705, 1360040, 1485928, 1599620, 1857410, 2043151, 3199240, 3714820, 4086302, 7429640, 8172604, 10215755, 16345208, 20431510, 22474661, 40863020, 44949322, 81726040, 89898644, 112373305, 179797288, 224746610, 449493220, 898986440]

約数ペア:

[(1, 898986440), (2, 449493220), (4, 224746610), (5, 179797288), (8, 112373305), (10, 89898644), (11, 81726040), (20, 44949322), (22, 40863020), (40, 22474661), (44, 20431510), (55, 16345208), (88, 10215755), (110, 8172604), (121, 7429640), (220, 4086302), (242, 3714820), (281, 3199240), (440, 2043151), (484, 1857410), (562, 1599620), (605, 1485928), (661, 1360040), (968, 928705), (1124, 799810), (1210, 742964), (1322, 680020), (1405, 639848), (2248, 399905), (2420, 371482), (2644, 340010), (2810, 319924), (3091, 290840), (3305, 272008), (4840, 185741), (5288, 170005), (5620, 159962), (6182, 145420), (6610, 136004), (7271, 123640), (11240, 79981), (12364, 72710), (13220, 68002), (14542, 61820), (15455, 58168), (24728, 36355), (26440, 34001), (29084, 30910)]