1688432872

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:543

約数の個数: 128

約数和(自身を含む): 3939840000

約数和(自身を除く): 2251407128

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 53, 56, 76, 79, 106, 133, 152, 158, 212, 266, 316, 371, 379, 424, 532, 553, 632, 742, 758, 1007, 1064, 1106, 1484, 1501, 1516, 2014, 2212, 2653, 2968, 3002, 3032, 4028, 4187, 4424, 5306, 6004, 7049, 7201, 8056, 8374, 10507, 10612, 12008, 14098, 14402, 16748, 20087, 21014, 21224, 28196, 28804, 29309, 29941, 33496, 40174, 42028, 50407, 56392, 57608, 58618, 59882, 79553, 80348, 84056, 100814, 117236, 119764, 140609, 159106, 160696, 201628, 209587, 234472, 239528, 281218, 318212, 381653, 403256, 419174, 556871, 562436, 568879, 636424, 763306, 838348, 1113742, 1124872, 1137758, 1526612, 1586873, 1676696, 2227484, 2275516, 2671571, 3053224, 3173746, 3982153, 4454968, 4551032, 5343142, 6347492, 7964306, 10686284, 11108111, 12694984, 15928612, 21372568, 22216222, 30150587, 31857224, 44432444, 60301174, 88864888, 120602348, 211054109, 241204696, 422108218, 844216436, 1688432872]

約数ペア:

[(1, 1688432872), (2, 844216436), (4, 422108218), (7, 241204696), (8, 211054109), (14, 120602348), (19, 88864888), (28, 60301174), (38, 44432444), (53, 31857224), (56, 30150587), (76, 22216222), (79, 21372568), (106, 15928612), (133, 12694984), (152, 11108111), (158, 10686284), (212, 7964306), (266, 6347492), (316, 5343142), (371, 4551032), (379, 4454968), (424, 3982153), (532, 3173746), (553, 3053224), (632, 2671571), (742, 2275516), (758, 2227484), (1007, 1676696), (1064, 1586873), (1106, 1526612), (1484, 1137758), (1501, 1124872), (1516, 1113742), (2014, 838348), (2212, 763306), (2653, 636424), (2968, 568879), (3002, 562436), (3032, 556871), (4028, 419174), (4187, 403256), (4424, 381653), (5306, 318212), (6004, 281218), (7049, 239528), (7201, 234472), (8056, 209587), (8374, 201628), (10507, 160696), (10612, 159106), (12008, 140609), (14098, 119764), (14402, 117236), (16748, 100814), (20087, 84056), (21014, 80348), (21224, 79553), (28196, 59882), (28804, 58618), (29309, 57608), (29941, 56392), (33496, 50407), (40174, 42028)]