212607920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:419

約数の個数: 160

約数和(自身を含む): 600723456

約数和(自身を除く): 388115536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 80, 112, 124, 140, 148, 155, 185, 217, 248, 259, 280, 296, 310, 331, 370, 434, 496, 518, 560, 592, 620, 662, 740, 868, 1036, 1085, 1147, 1240, 1295, 1324, 1480, 1655, 1736, 2072, 2170, 2294, 2317, 2480, 2590, 2648, 2960, 3310, 3472, 4144, 4340, 4588, 4634, 5180, 5296, 5735, 6620, 8029, 8680, 9176, 9268, 10261, 10360, 11470, 11585, 12247, 13240, 16058, 17360, 18352, 18536, 20522, 20720, 22940, 23170, 24494, 26480, 32116, 37072, 40145, 41044, 45880, 46340, 48988, 51305, 61235, 64232, 71827, 80290, 82088, 85729, 91760, 92680, 97976, 102610, 122470, 128464, 143654, 160580, 164176, 171458, 185360, 195952, 205220, 244940, 287308, 321160, 342916, 359135, 379657, 410440, 428645, 489880, 574616, 642320, 685832, 718270, 759314, 820880, 857290, 979760, 1149232, 1371664, 1436540, 1518628, 1714580, 1898285, 2657599, 2873080, 3037256, 3429160, 3796570, 5315198, 5746160, 6074512, 6858320, 7593140, 10630396, 13287995, 15186280, 21260792, 26575990, 30372560, 42521584, 53151980, 106303960, 212607920]

約数ペア:

[(1, 212607920), (2, 106303960), (4, 53151980), (5, 42521584), (7, 30372560), (8, 26575990), (10, 21260792), (14, 15186280), (16, 13287995), (20, 10630396), (28, 7593140), (31, 6858320), (35, 6074512), (37, 5746160), (40, 5315198), (56, 3796570), (62, 3429160), (70, 3037256), (74, 2873080), (80, 2657599), (112, 1898285), (124, 1714580), (140, 1518628), (148, 1436540), (155, 1371664), (185, 1149232), (217, 979760), (248, 857290), (259, 820880), (280, 759314), (296, 718270), (310, 685832), (331, 642320), (370, 574616), (434, 489880), (496, 428645), (518, 410440), (560, 379657), (592, 359135), (620, 342916), (662, 321160), (740, 287308), (868, 244940), (1036, 205220), (1085, 195952), (1147, 185360), (1240, 171458), (1295, 164176), (1324, 160580), (1480, 143654), (1655, 128464), (1736, 122470), (2072, 102610), (2170, 97976), (2294, 92680), (2317, 91760), (2480, 85729), (2590, 82088), (2648, 80290), (2960, 71827), (3310, 64232), (3472, 61235), (4144, 51305), (4340, 48988), (4588, 46340), (4634, 45880), (5180, 41044), (5296, 40145), (5735, 37072), (6620, 32116), (8029, 26480), (8680, 24494), (9176, 23170), (9268, 22940), (10261, 20720), (10360, 20522), (11470, 18536), (11585, 18352), (12247, 17360), (13240, 16058)]