280714300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1091}}^1$

素因数の和:1219

約数の個数: 72

約数和(自身を含む): 636959232

約数和(自身を除く): 356244932

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 83, 100, 124, 155, 166, 310, 332, 415, 620, 775, 830, 1091, 1550, 1660, 2075, 2182, 2573, 3100, 4150, 4364, 5146, 5455, 8300, 10292, 10910, 12865, 21820, 25730, 27275, 33821, 51460, 54550, 64325, 67642, 90553, 109100, 128650, 135284, 169105, 181106, 257300, 338210, 362212, 452765, 676420, 845525, 905530, 1691050, 1811060, 2263825, 2807143, 3382100, 4527650, 5614286, 9055300, 11228572, 14035715, 28071430, 56142860, 70178575, 140357150, 280714300]

約数ペア:

[(1, 280714300), (2, 140357150), (4, 70178575), (5, 56142860), (10, 28071430), (20, 14035715), (25, 11228572), (31, 9055300), (50, 5614286), (62, 4527650), (83, 3382100), (100, 2807143), (124, 2263825), (155, 1811060), (166, 1691050), (310, 905530), (332, 845525), (415, 676420), (620, 452765), (775, 362212), (830, 338210), (1091, 257300), (1550, 181106), (1660, 169105), (2075, 135284), (2182, 128650), (2573, 109100), (3100, 90553), (4150, 67642), (4364, 64325), (5146, 54550), (5455, 51460), (8300, 33821), (10292, 27275), (10910, 25730), (12865, 21820)]