415441720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{170263}}^1$

素因数の和:170335

約数の個数: 32

約数和(自身を含む): 950073120

約数和(自身を除く): 534631400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 170263, 340526, 681052, 851315, 1362104, 1702630, 3405260, 6810520, 10386043, 20772086, 41544172, 51930215, 83088344, 103860430, 207720860, 415441720]

約数ペア:

[(1, 415441720), (2, 207720860), (4, 103860430), (5, 83088344), (8, 51930215), (10, 41544172), (20, 20772086), (40, 10386043), (61, 6810520), (122, 3405260), (244, 1702630), (305, 1362104), (488, 851315), (610, 681052), (1220, 340526), (2440, 170263)]