12912860180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{911}}^1\times {\mathrm{3391}}^1$

素因数の和:4341

約数の個数: 96

約数和(自身を含む): 31182520320

約数和(自身を除く): 18269660140

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 911, 1045, 1822, 2090, 3391, 3644, 4180, 4555, 6782, 9110, 10021, 13564, 16955, 17309, 18220, 20042, 33910, 34618, 37301, 40084, 50105, 64429, 67820, 69236, 74602, 86545, 100210, 128858, 149204, 173090, 186505, 190399, 200420, 257716, 322145, 346180, 373010, 380798, 644290, 708719, 746020, 761596, 951995, 1288580, 1417438, 1903990, 2834876, 3089201, 3543595, 3807980, 6178402, 7087190, 12356804, 14174380, 15446005, 30892010, 33981211, 58694819, 61784020, 67962422, 117389638, 135924844, 169906055, 234779276, 293474095, 339812110, 586948190, 645643009, 679624220, 1173896380, 1291286018, 2582572036, 3228215045, 6456430090, 12912860180]

約数ペア:

[(1, 12912860180), (2, 6456430090), (4, 3228215045), (5, 2582572036), (10, 1291286018), (11, 1173896380), (19, 679624220), (20, 645643009), (22, 586948190), (38, 339812110), (44, 293474095), (55, 234779276), (76, 169906055), (95, 135924844), (110, 117389638), (190, 67962422), (209, 61784020), (220, 58694819), (380, 33981211), (418, 30892010), (836, 15446005), (911, 14174380), (1045, 12356804), (1822, 7087190), (2090, 6178402), (3391, 3807980), (3644, 3543595), (4180, 3089201), (4555, 2834876), (6782, 1903990), (9110, 1417438), (10021, 1288580), (13564, 951995), (16955, 761596), (17309, 746020), (18220, 708719), (20042, 644290), (33910, 380798), (34618, 373010), (37301, 346180), (40084, 322145), (50105, 257716), (64429, 200420), (67820, 190399), (69236, 186505), (74602, 173090), (86545, 149204), (100210, 128858)]