254378040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{302831}}^1$

素因数の和:302852

約数の個数: 64

約数和(自身を含む): 872156160

約数和(自身を除く): 617778120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 302831, 605662, 908493, 1211324, 1514155, 1816986, 2119817, 2422648, 3028310, 3633972, 4239634, 4542465, 6056620, 6359451, 7267944, 8479268, 9084930, 10599085, 12113240, 12718902, 16958536, 18169860, 21198170, 25437804, 31797255, 36339720, 42396340, 50875608, 63594510, 84792680, 127189020, 254378040]

約数ペア:

[(1, 254378040), (2, 127189020), (3, 84792680), (4, 63594510), (5, 50875608), (6, 42396340), (7, 36339720), (8, 31797255), (10, 25437804), (12, 21198170), (14, 18169860), (15, 16958536), (20, 12718902), (21, 12113240), (24, 10599085), (28, 9084930), (30, 8479268), (35, 7267944), (40, 6359451), (42, 6056620), (56, 4542465), (60, 4239634), (70, 3633972), (84, 3028310), (105, 2422648), (120, 2119817), (140, 1816986), (168, 1514155), (210, 1211324), (280, 908493), (420, 605662), (840, 302831)]