865362820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{9643}}^1$

素因数の和:10300

約数の個数: 48

約数和(自身を含む): 2080326528

約数和(自身を除く): 1214963708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 641, 1282, 2564, 3205, 4487, 6410, 8974, 9643, 12820, 17948, 19286, 22435, 38572, 44870, 48215, 67501, 89740, 96430, 135002, 192860, 270004, 337505, 675010, 1350020, 6181163, 12362326, 24724652, 30905815, 43268141, 61811630, 86536282, 123623260, 173072564, 216340705, 432681410, 865362820]

約数ペア:

[(1, 865362820), (2, 432681410), (4, 216340705), (5, 173072564), (7, 123623260), (10, 86536282), (14, 61811630), (20, 43268141), (28, 30905815), (35, 24724652), (70, 12362326), (140, 6181163), (641, 1350020), (1282, 675010), (2564, 337505), (3205, 270004), (4487, 192860), (6410, 135002), (8974, 96430), (9643, 89740), (12820, 67501), (17948, 48215), (19286, 44870), (22435, 38572)]