377948228

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 806500800

約数和(自身を除く): 428552572

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 139, 266, 269, 278, 361, 532, 538, 556, 722, 973, 1076, 1444, 1883, 1946, 2527, 2641, 3766, 3892, 5054, 5111, 5282, 7532, 10108, 10222, 10564, 18487, 20444, 35777, 36974, 37391, 50179, 71554, 73948, 74782, 97109, 100358, 143108, 149564, 194218, 200716, 261737, 351253, 388436, 523474, 679763, 702506, 710429, 1046948, 1359526, 1405012, 1420858, 2719052, 2841716, 4973003, 9946006, 13498151, 19892012, 26996302, 53992604, 94487057, 188974114, 377948228]

約数ペア:

[(1, 377948228), (2, 188974114), (4, 94487057), (7, 53992604), (14, 26996302), (19, 19892012), (28, 13498151), (38, 9946006), (76, 4973003), (133, 2841716), (139, 2719052), (266, 1420858), (269, 1405012), (278, 1359526), (361, 1046948), (532, 710429), (538, 702506), (556, 679763), (722, 523474), (973, 388436), (1076, 351253), (1444, 261737), (1883, 200716), (1946, 194218), (2527, 149564), (2641, 143108), (3766, 100358), (3892, 97109), (5054, 74782), (5111, 73948), (5282, 71554), (7532, 50179), (10108, 37391), (10222, 36974), (10564, 35777), (18487, 20444)]