84581420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4993}}^1$

素因数の和:5031

約数の個数: 72

約数和(自身を含む): 223171872

約数和(自身を除く): 138590452

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 4993, 8470, 9986, 16940, 19972, 24965, 34951, 49930, 54923, 69902, 99860, 109846, 139804, 174755, 219692, 274615, 349510, 384461, 549230, 604153, 699020, 768922, 1098460, 1208306, 1537844, 1922305, 2416612, 3020765, 3844610, 4229071, 6041530, 7689220, 8458142, 12083060, 16916284, 21145355, 42290710, 84581420]

約数ペア:

[(1, 84581420), (2, 42290710), (4, 21145355), (5, 16916284), (7, 12083060), (10, 8458142), (11, 7689220), (14, 6041530), (20, 4229071), (22, 3844610), (28, 3020765), (35, 2416612), (44, 1922305), (55, 1537844), (70, 1208306), (77, 1098460), (110, 768922), (121, 699020), (140, 604153), (154, 549230), (220, 384461), (242, 349510), (308, 274615), (385, 219692), (484, 174755), (605, 139804), (770, 109846), (847, 99860), (1210, 69902), (1540, 54923), (1694, 49930), (2420, 34951), (3388, 24965), (4235, 19972), (4993, 16940), (8470, 9986)]