289208560

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:1006

約数の個数: 80

約数和(自身を含む): 694241280

約数和(自身を除く): 405032720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 71, 80, 118, 142, 236, 284, 295, 355, 472, 568, 590, 710, 863, 944, 1136, 1180, 1420, 1726, 2360, 2840, 3452, 4189, 4315, 4720, 5680, 6904, 8378, 8630, 13808, 16756, 17260, 20945, 33512, 34520, 41890, 50917, 61273, 67024, 69040, 83780, 101834, 122546, 167560, 203668, 245092, 254585, 306365, 335120, 407336, 490184, 509170, 612730, 814672, 980368, 1018340, 1225460, 2036680, 2450920, 3615107, 4073360, 4901840, 7230214, 14460428, 18075535, 28920856, 36151070, 57841712, 72302140, 144604280, 289208560]

約数ペア:

[(1, 289208560), (2, 144604280), (4, 72302140), (5, 57841712), (8, 36151070), (10, 28920856), (16, 18075535), (20, 14460428), (40, 7230214), (59, 4901840), (71, 4073360), (80, 3615107), (118, 2450920), (142, 2036680), (236, 1225460), (284, 1018340), (295, 980368), (355, 814672), (472, 612730), (568, 509170), (590, 490184), (710, 407336), (863, 335120), (944, 306365), (1136, 254585), (1180, 245092), (1420, 203668), (1726, 167560), (2360, 122546), (2840, 101834), (3452, 83780), (4189, 69040), (4315, 67024), (4720, 61273), (5680, 50917), (6904, 41890), (8378, 34520), (8630, 33512), (13808, 20945), (16756, 17260)]