80257100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1489}}^1$

素因数の和:1528

約数の個数: 108

約数和(自身を含む): 221157720

約数和(自身を除く): 140900620

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 49, 50, 55, 70, 77, 98, 100, 110, 140, 154, 175, 196, 220, 245, 275, 308, 350, 385, 490, 539, 550, 700, 770, 980, 1078, 1100, 1225, 1489, 1540, 1925, 2156, 2450, 2695, 2978, 3850, 4900, 5390, 5956, 7445, 7700, 10423, 10780, 13475, 14890, 16379, 20846, 26950, 29780, 32758, 37225, 41692, 52115, 53900, 65516, 72961, 74450, 81895, 104230, 114653, 145922, 148900, 163790, 208460, 229306, 260575, 291844, 327580, 364805, 409475, 458612, 521150, 573265, 729610, 802571, 818950, 1042300, 1146530, 1459220, 1605142, 1637900, 1824025, 2293060, 2866325, 3210284, 3648050, 4012855, 5732650, 7296100, 8025710, 11465300, 16051420, 20064275, 40128550, 80257100]

約数ペア:

[(1, 80257100), (2, 40128550), (4, 20064275), (5, 16051420), (7, 11465300), (10, 8025710), (11, 7296100), (14, 5732650), (20, 4012855), (22, 3648050), (25, 3210284), (28, 2866325), (35, 2293060), (44, 1824025), (49, 1637900), (50, 1605142), (55, 1459220), (70, 1146530), (77, 1042300), (98, 818950), (100, 802571), (110, 729610), (140, 573265), (154, 521150), (175, 458612), (196, 409475), (220, 364805), (245, 327580), (275, 291844), (308, 260575), (350, 229306), (385, 208460), (490, 163790), (539, 148900), (550, 145922), (700, 114653), (770, 104230), (980, 81895), (1078, 74450), (1100, 72961), (1225, 65516), (1489, 53900), (1540, 52115), (1925, 41692), (2156, 37225), (2450, 32758), (2695, 29780), (2978, 26950), (3850, 20846), (4900, 16379), (5390, 14890), (5956, 13475), (7445, 10780), (7700, 10423)]