201481790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 398115648

約数和(自身を除く): 196633858

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 137, 170, 205, 211, 274, 410, 422, 685, 697, 1055, 1370, 1394, 2110, 2329, 3485, 3587, 4658, 5617, 6970, 7174, 8651, 11234, 11645, 17302, 17935, 23290, 28085, 28907, 35870, 43255, 56170, 57814, 86510, 95489, 144535, 147067, 190978, 289070, 294134, 477445, 491419, 735335, 954890, 982838, 1185187, 1470670, 2370374, 2457095, 4914190, 5925935, 11851870, 20148179, 40296358, 100740895, 201481790]

約数ペア:

[(1, 201481790), (2, 100740895), (5, 40296358), (10, 20148179), (17, 11851870), (34, 5925935), (41, 4914190), (82, 2457095), (85, 2370374), (137, 1470670), (170, 1185187), (205, 982838), (211, 954890), (274, 735335), (410, 491419), (422, 477445), (685, 294134), (697, 289070), (1055, 190978), (1370, 147067), (1394, 144535), (2110, 95489), (2329, 86510), (3485, 57814), (3587, 56170), (4658, 43255), (5617, 35870), (6970, 28907), (7174, 28085), (8651, 23290), (11234, 17935), (11645, 17302)]