218492240

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{44773}}^1$

素因数の和:44847

約数の個数: 40

約数和(自身を含む): 516333768

約数和(自身を除く): 297841528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 44773, 89546, 179092, 223865, 358184, 447730, 716368, 895460, 1790920, 2731153, 3581840, 5462306, 10924612, 13655765, 21849224, 27311530, 43698448, 54623060, 109246120, 218492240]

約数ペア:

[(1, 218492240), (2, 109246120), (4, 54623060), (5, 43698448), (8, 27311530), (10, 21849224), (16, 13655765), (20, 10924612), (40, 5462306), (61, 3581840), (80, 2731153), (122, 1790920), (244, 895460), (305, 716368), (488, 447730), (610, 358184), (976, 223865), (1220, 179092), (2440, 89546), (4880, 44773)]