131802580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 343768320

約数和(自身を除く): 211965740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 139, 140, 182, 260, 278, 364, 455, 521, 556, 695, 910, 973, 1042, 1390, 1807, 1820, 1946, 2084, 2605, 2780, 3614, 3647, 3892, 4865, 5210, 6773, 7228, 7294, 9035, 9730, 10420, 12649, 13546, 14588, 18070, 18235, 19460, 25298, 27092, 33865, 36140, 36470, 47411, 50596, 63245, 67730, 72419, 72940, 94822, 126490, 135460, 144838, 189644, 237055, 252980, 289676, 362095, 474110, 506933, 724190, 941447, 948220, 1013866, 1448380, 1882894, 2027732, 2534665, 3765788, 4707235, 5069330, 6590129, 9414470, 10138660, 13180258, 18828940, 26360516, 32950645, 65901290, 131802580]

約数ペア:

[(1, 131802580), (2, 65901290), (4, 32950645), (5, 26360516), (7, 18828940), (10, 13180258), (13, 10138660), (14, 9414470), (20, 6590129), (26, 5069330), (28, 4707235), (35, 3765788), (52, 2534665), (65, 2027732), (70, 1882894), (91, 1448380), (130, 1013866), (139, 948220), (140, 941447), (182, 724190), (260, 506933), (278, 474110), (364, 362095), (455, 289676), (521, 252980), (556, 237055), (695, 189644), (910, 144838), (973, 135460), (1042, 126490), (1390, 94822), (1807, 72940), (1820, 72419), (1946, 67730), (2084, 63245), (2605, 50596), (2780, 47411), (3614, 36470), (3647, 36140), (3892, 33865), (4865, 27092), (5210, 25298), (6773, 19460), (7228, 18235), (7294, 18070), (9035, 14588), (9730, 13546), (10420, 12649)]