220449320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:955

約数の個数: 128

約数和(自身を含む): 619799040

約数和(自身を除く): 399349720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 182, 260, 280, 284, 355, 364, 455, 497, 520, 568, 710, 728, 853, 910, 923, 994, 1420, 1706, 1820, 1846, 1988, 2485, 2840, 3412, 3640, 3692, 3976, 4265, 4615, 4970, 5971, 6461, 6824, 7384, 8530, 9230, 9940, 11089, 11942, 12922, 17060, 18460, 19880, 22178, 23884, 25844, 29855, 32305, 34120, 36920, 44356, 47768, 51688, 55445, 59710, 60563, 64610, 77623, 88712, 110890, 119420, 121126, 129220, 155246, 221780, 238840, 242252, 258440, 302815, 310492, 388115, 423941, 443560, 484504, 605630, 620984, 776230, 787319, 847882, 1211260, 1552460, 1574638, 1695764, 2119705, 2422520, 3104920, 3149276, 3391528, 3936595, 4239410, 5511233, 6298552, 7873190, 8478820, 11022466, 15746380, 16957640, 22044932, 27556165, 31492760, 44089864, 55112330, 110224660, 220449320]

約数ペア:

[(1, 220449320), (2, 110224660), (4, 55112330), (5, 44089864), (7, 31492760), (8, 27556165), (10, 22044932), (13, 16957640), (14, 15746380), (20, 11022466), (26, 8478820), (28, 7873190), (35, 6298552), (40, 5511233), (52, 4239410), (56, 3936595), (65, 3391528), (70, 3149276), (71, 3104920), (91, 2422520), (104, 2119705), (130, 1695764), (140, 1574638), (142, 1552460), (182, 1211260), (260, 847882), (280, 787319), (284, 776230), (355, 620984), (364, 605630), (455, 484504), (497, 443560), (520, 423941), (568, 388115), (710, 310492), (728, 302815), (853, 258440), (910, 242252), (923, 238840), (994, 221780), (1420, 155246), (1706, 129220), (1820, 121126), (1846, 119420), (1988, 110890), (2485, 88712), (2840, 77623), (3412, 64610), (3640, 60563), (3692, 59710), (3976, 55445), (4265, 51688), (4615, 47768), (4970, 44356), (5971, 36920), (6461, 34120), (6824, 32305), (7384, 29855), (8530, 25844), (9230, 23884), (9940, 22178), (11089, 19880), (11942, 18460), (12922, 17060)]