8908900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 26248320

約数和(自身を除く): 17339420

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 44, 50, 52, 55, 65, 70, 77, 89, 91, 100, 110, 130, 140, 143, 154, 175, 178, 182, 220, 260, 275, 286, 308, 325, 350, 356, 364, 385, 445, 455, 550, 572, 623, 650, 700, 715, 770, 890, 910, 979, 1001, 1100, 1157, 1246, 1300, 1430, 1540, 1780, 1820, 1925, 1958, 2002, 2225, 2275, 2314, 2492, 2860, 3115, 3575, 3850, 3916, 4004, 4450, 4550, 4628, 4895, 5005, 5785, 6230, 6853, 7150, 7700, 8099, 8900, 9100, 9790, 10010, 11570, 12460, 12727, 13706, 14300, 15575, 16198, 19580, 20020, 23140, 24475, 25025, 25454, 27412, 28925, 31150, 32396, 34265, 40495, 48950, 50050, 50908, 57850, 62300, 63635, 68530, 80990, 89089, 97900, 100100, 115700, 127270, 137060, 161980, 171325, 178178, 202475, 254540, 318175, 342650, 356356, 404950, 445445, 636350, 685300, 809900, 890890, 1272700, 1781780, 2227225, 4454450, 8908900]

約数ペア:

[(1, 8908900), (2, 4454450), (4, 2227225), (5, 1781780), (7, 1272700), (10, 890890), (11, 809900), (13, 685300), (14, 636350), (20, 445445), (22, 404950), (25, 356356), (26, 342650), (28, 318175), (35, 254540), (44, 202475), (50, 178178), (52, 171325), (55, 161980), (65, 137060), (70, 127270), (77, 115700), (89, 100100), (91, 97900), (100, 89089), (110, 80990), (130, 68530), (140, 63635), (143, 62300), (154, 57850), (175, 50908), (178, 50050), (182, 48950), (220, 40495), (260, 34265), (275, 32396), (286, 31150), (308, 28925), (325, 27412), (350, 25454), (356, 25025), (364, 24475), (385, 23140), (445, 20020), (455, 19580), (550, 16198), (572, 15575), (623, 14300), (650, 13706), (700, 12727), (715, 12460), (770, 11570), (890, 10010), (910, 9790), (979, 9100), (1001, 8900), (1100, 8099), (1157, 7700), (1246, 7150), (1300, 6853), (1430, 6230), (1540, 5785), (1780, 5005), (1820, 4895), (1925, 4628), (1958, 4550), (2002, 4450), (2225, 4004), (2275, 3916), (2314, 3850), (2492, 3575), (2860, 3115)]