394894780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{773}}^1$

素因数の和:919

約数の個数: 96

約数和(自身を含む): 983041920

約数和(自身を除く): 588147140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 89, 140, 164, 178, 205, 287, 356, 410, 445, 574, 623, 773, 820, 890, 1148, 1246, 1435, 1546, 1780, 2492, 2870, 3092, 3115, 3649, 3865, 5411, 5740, 6230, 7298, 7730, 10822, 12460, 14596, 15460, 18245, 21644, 25543, 27055, 31693, 36490, 51086, 54110, 63386, 68797, 72980, 102172, 108220, 126772, 127715, 137594, 158465, 221851, 255430, 275188, 316930, 343985, 443702, 481579, 510860, 633860, 687970, 887404, 963158, 1109255, 1375940, 1926316, 2218510, 2407895, 2820677, 4437020, 4815790, 5641354, 9631580, 11282708, 14103385, 19744739, 28206770, 39489478, 56413540, 78978956, 98723695, 197447390, 394894780]

約数ペア:

[(1, 394894780), (2, 197447390), (4, 98723695), (5, 78978956), (7, 56413540), (10, 39489478), (14, 28206770), (20, 19744739), (28, 14103385), (35, 11282708), (41, 9631580), (70, 5641354), (82, 4815790), (89, 4437020), (140, 2820677), (164, 2407895), (178, 2218510), (205, 1926316), (287, 1375940), (356, 1109255), (410, 963158), (445, 887404), (574, 687970), (623, 633860), (773, 510860), (820, 481579), (890, 443702), (1148, 343985), (1246, 316930), (1435, 275188), (1546, 255430), (1780, 221851), (2492, 158465), (2870, 137594), (3092, 127715), (3115, 126772), (3649, 108220), (3865, 102172), (5411, 72980), (5740, 68797), (6230, 63386), (7298, 54110), (7730, 51086), (10822, 36490), (12460, 31693), (14596, 27055), (15460, 25543), (18245, 21644)]