721743400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:284

約数の個数: 192

約数和(自身を含む): 1995943680

約数和(自身を除く): 1274200280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 53, 56, 70, 71, 100, 106, 137, 140, 142, 175, 200, 212, 265, 274, 280, 284, 350, 355, 371, 424, 497, 530, 548, 568, 685, 700, 710, 742, 959, 994, 1060, 1096, 1325, 1370, 1400, 1420, 1484, 1775, 1855, 1918, 1988, 2120, 2485, 2650, 2740, 2840, 2968, 3425, 3550, 3710, 3763, 3836, 3976, 4795, 4970, 5300, 5480, 6850, 7100, 7261, 7420, 7526, 7672, 9275, 9590, 9727, 9940, 10600, 12425, 13700, 14200, 14522, 14840, 15052, 18550, 18815, 19180, 19454, 19880, 23975, 24850, 26341, 27400, 29044, 30104, 36305, 37100, 37630, 38360, 38908, 47950, 48635, 49700, 50827, 52682, 58088, 68089, 72610, 74200, 75260, 77816, 94075, 95900, 97270, 99400, 101654, 105364, 131705, 136178, 145220, 150520, 181525, 188150, 191800, 194540, 203308, 210728, 243175, 254135, 263410, 272356, 290440, 340445, 363050, 376300, 389080, 406616, 486350, 508270, 515531, 526820, 544712, 658525, 680890, 726100, 752600, 972700, 1016540, 1031062, 1053640, 1270675, 1317050, 1361780, 1452200, 1702225, 1945400, 2033080, 2062124, 2541350, 2577655, 2634100, 2723560, 3404450, 3608717, 4124248, 5082700, 5155310, 5268200, 6808900, 7217434, 10165400, 10310620, 12888275, 13617800, 14434868, 18043585, 20621240, 25776550, 28869736, 36087170, 51553100, 72174340, 90217925, 103106200, 144348680, 180435850, 360871700, 721743400]

約数ペア:

[(1, 721743400), (2, 360871700), (4, 180435850), (5, 144348680), (7, 103106200), (8, 90217925), (10, 72174340), (14, 51553100), (20, 36087170), (25, 28869736), (28, 25776550), (35, 20621240), (40, 18043585), (50, 14434868), (53, 13617800), (56, 12888275), (70, 10310620), (71, 10165400), (100, 7217434), (106, 6808900), (137, 5268200), (140, 5155310), (142, 5082700), (175, 4124248), (200, 3608717), (212, 3404450), (265, 2723560), (274, 2634100), (280, 2577655), (284, 2541350), (350, 2062124), (355, 2033080), (371, 1945400), (424, 1702225), (497, 1452200), (530, 1361780), (548, 1317050), (568, 1270675), (685, 1053640), (700, 1031062), (710, 1016540), (742, 972700), (959, 752600), (994, 726100), (1060, 680890), (1096, 658525), (1325, 544712), (1370, 526820), (1400, 515531), (1420, 508270), (1484, 486350), (1775, 406616), (1855, 389080), (1918, 376300), (1988, 363050), (2120, 340445), (2485, 290440), (2650, 272356), (2740, 263410), (2840, 254135), (2968, 243175), (3425, 210728), (3550, 203308), (3710, 194540), (3763, 191800), (3836, 188150), (3976, 181525), (4795, 150520), (4970, 145220), (5300, 136178), (5480, 131705), (6850, 105364), (7100, 101654), (7261, 99400), (7420, 97270), (7526, 95900), (7672, 94075), (9275, 77816), (9590, 75260), (9727, 74200), (9940, 72610), (10600, 68089), (12425, 58088), (13700, 52682), (14200, 50827), (14522, 49700), (14840, 48635), (15052, 47950), (18550, 38908), (18815, 38360), (19180, 37630), (19454, 37100), (19880, 36305), (23975, 30104), (24850, 29044), (26341, 27400)]