418640800

素因数分解:

$2^5\times 5^2\times {\mathrm{271}}^1\times {\mathrm{1931}}^1$

素因数の和:2222

約数の個数: 72

約数和(自身を含む): 1026309312

約数和(自身を除く): 607668512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 271, 400, 542, 800, 1084, 1355, 1931, 2168, 2710, 3862, 4336, 5420, 6775, 7724, 8672, 9655, 10840, 13550, 15448, 19310, 21680, 27100, 30896, 38620, 43360, 48275, 54200, 61792, 77240, 96550, 108400, 154480, 193100, 216800, 308960, 386200, 523301, 772400, 1046602, 1544800, 2093204, 2616505, 4186408, 5233010, 8372816, 10466020, 13082525, 16745632, 20932040, 26165050, 41864080, 52330100, 83728160, 104660200, 209320400, 418640800]

約数ペア:

[(1, 418640800), (2, 209320400), (4, 104660200), (5, 83728160), (8, 52330100), (10, 41864080), (16, 26165050), (20, 20932040), (25, 16745632), (32, 13082525), (40, 10466020), (50, 8372816), (80, 5233010), (100, 4186408), (160, 2616505), (200, 2093204), (271, 1544800), (400, 1046602), (542, 772400), (800, 523301), (1084, 386200), (1355, 308960), (1931, 216800), (2168, 193100), (2710, 154480), (3862, 108400), (4336, 96550), (5420, 77240), (6775, 61792), (7724, 54200), (8672, 48275), (9655, 43360), (10840, 38620), (13550, 30896), (15448, 27100), (19310, 21680)]