1639478890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1\times {\mathrm{773}}^1$

素因数の和:1567

約数の個数: 64

約数和(自身を含む): 3464052480

約数和(自身を除く): 1824573590

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 739, 773, 1435, 1478, 1546, 2870, 3695, 3865, 5173, 5411, 7390, 7730, 10346, 10822, 25865, 27055, 30299, 31693, 51730, 54110, 60598, 63386, 151495, 158465, 212093, 221851, 302990, 316930, 424186, 443702, 571247, 1060465, 1109255, 1142494, 2120930, 2218510, 2856235, 3998729, 5712470, 7997458, 19993645, 23421127, 39987290, 46842254, 117105635, 163947889, 234211270, 327895778, 819739445, 1639478890]

約数ペア:

[(1, 1639478890), (2, 819739445), (5, 327895778), (7, 234211270), (10, 163947889), (14, 117105635), (35, 46842254), (41, 39987290), (70, 23421127), (82, 19993645), (205, 7997458), (287, 5712470), (410, 3998729), (574, 2856235), (739, 2218510), (773, 2120930), (1435, 1142494), (1478, 1109255), (1546, 1060465), (2870, 571247), (3695, 443702), (3865, 424186), (5173, 316930), (5411, 302990), (7390, 221851), (7730, 212093), (10346, 158465), (10822, 151495), (25865, 63386), (27055, 60598), (30299, 54110), (31693, 51730)]