199989810

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6673}}^1$

素因数の和:6729

約数の個数: 80

約数和(自身を含む): 552366936

約数和(自身を除く): 352377126

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 81, 90, 111, 135, 162, 185, 222, 270, 333, 370, 405, 555, 666, 810, 999, 1110, 1665, 1998, 2997, 3330, 4995, 5994, 6673, 9990, 13346, 14985, 20019, 29970, 33365, 40038, 60057, 66730, 100095, 120114, 180171, 200190, 246901, 300285, 360342, 493802, 540513, 600570, 740703, 900855, 1081026, 1234505, 1481406, 1801710, 2222109, 2469010, 2702565, 3703515, 4444218, 5405130, 6666327, 7407030, 11110545, 13332654, 19998981, 22221090, 33331635, 39997962, 66663270, 99994905, 199989810]

約数ペア:

[(1, 199989810), (2, 99994905), (3, 66663270), (5, 39997962), (6, 33331635), (9, 22221090), (10, 19998981), (15, 13332654), (18, 11110545), (27, 7407030), (30, 6666327), (37, 5405130), (45, 4444218), (54, 3703515), (74, 2702565), (81, 2469010), (90, 2222109), (111, 1801710), (135, 1481406), (162, 1234505), (185, 1081026), (222, 900855), (270, 740703), (333, 600570), (370, 540513), (405, 493802), (555, 360342), (666, 300285), (810, 246901), (999, 200190), (1110, 180171), (1665, 120114), (1998, 100095), (2997, 66730), (3330, 60057), (4995, 40038), (5994, 33365), (6673, 29970), (9990, 20019), (13346, 14985)]