1719362440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:671

約数の個数: 128

約数和(自身を含む): 4245696000

約数和(自身を除く): 2526333560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 181, 190, 232, 290, 362, 380, 431, 551, 580, 724, 760, 862, 905, 1102, 1160, 1448, 1724, 1810, 2155, 2204, 2755, 3439, 3448, 3620, 4310, 4408, 5249, 5510, 6878, 7240, 8189, 8620, 10498, 11020, 12499, 13756, 16378, 17195, 17240, 20996, 22040, 24998, 26245, 27512, 32756, 34390, 40945, 41992, 49996, 52490, 62495, 65512, 68780, 78011, 81890, 99731, 99992, 104980, 124990, 137560, 156022, 163780, 199462, 209960, 237481, 249980, 312044, 327560, 390055, 398924, 474962, 498655, 499960, 624088, 780110, 797848, 949924, 997310, 1187405, 1482209, 1560220, 1899848, 1994620, 2262319, 2374810, 2964418, 3120440, 3989240, 4524638, 4749620, 5928836, 7411045, 9049276, 9499240, 11311595, 11857672, 14822090, 18098552, 22623190, 29644180, 42984061, 45246380, 59288360, 85968122, 90492760, 171936244, 214920305, 343872488, 429840610, 859681220, 1719362440]

約数ペア:

[(1, 1719362440), (2, 859681220), (4, 429840610), (5, 343872488), (8, 214920305), (10, 171936244), (19, 90492760), (20, 85968122), (29, 59288360), (38, 45246380), (40, 42984061), (58, 29644180), (76, 22623190), (95, 18098552), (116, 14822090), (145, 11857672), (152, 11311595), (181, 9499240), (190, 9049276), (232, 7411045), (290, 5928836), (362, 4749620), (380, 4524638), (431, 3989240), (551, 3120440), (580, 2964418), (724, 2374810), (760, 2262319), (862, 1994620), (905, 1899848), (1102, 1560220), (1160, 1482209), (1448, 1187405), (1724, 997310), (1810, 949924), (2155, 797848), (2204, 780110), (2755, 624088), (3439, 499960), (3448, 498655), (3620, 474962), (4310, 398924), (4408, 390055), (5249, 327560), (5510, 312044), (6878, 249980), (7240, 237481), (8189, 209960), (8620, 199462), (10498, 163780), (11020, 156022), (12499, 137560), (13756, 124990), (16378, 104980), (17195, 99992), (17240, 99731), (20996, 81890), (22040, 78011), (24998, 68780), (26245, 65512), (27512, 62495), (32756, 52490), (34390, 49996), (40945, 41992)]