251538948

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 712857600

約数和(自身を除く): 461318652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 59, 69, 76, 92, 114, 118, 138, 171, 177, 207, 228, 236, 271, 276, 342, 354, 414, 437, 531, 542, 684, 708, 813, 828, 874, 1062, 1084, 1121, 1311, 1357, 1626, 1748, 2124, 2242, 2439, 2622, 2714, 3252, 3363, 3933, 4071, 4484, 4878, 5149, 5244, 5428, 6233, 6726, 7866, 8142, 9756, 10089, 10298, 12213, 12466, 13452, 15447, 15732, 15989, 16284, 18699, 20178, 20596, 24426, 24932, 25783, 30894, 31978, 37398, 40356, 46341, 47967, 48852, 51566, 56097, 61788, 63956, 74796, 77349, 92682, 95934, 103132, 112194, 118427, 143901, 154698, 185364, 191868, 224388, 232047, 236854, 287802, 303791, 309396, 355281, 367747, 464094, 473708, 575604, 607582, 710562, 735494, 911373, 928188, 1065843, 1103241, 1215164, 1421124, 1470988, 1822746, 2131686, 2206482, 2734119, 3309723, 3645492, 4263372, 4412964, 5468238, 6619446, 6987193, 10936476, 13238892, 13974386, 20961579, 27948772, 41923158, 62884737, 83846316, 125769474, 251538948]

約数ペア:

[(1, 251538948), (2, 125769474), (3, 83846316), (4, 62884737), (6, 41923158), (9, 27948772), (12, 20961579), (18, 13974386), (19, 13238892), (23, 10936476), (36, 6987193), (38, 6619446), (46, 5468238), (57, 4412964), (59, 4263372), (69, 3645492), (76, 3309723), (92, 2734119), (114, 2206482), (118, 2131686), (138, 1822746), (171, 1470988), (177, 1421124), (207, 1215164), (228, 1103241), (236, 1065843), (271, 928188), (276, 911373), (342, 735494), (354, 710562), (414, 607582), (437, 575604), (531, 473708), (542, 464094), (684, 367747), (708, 355281), (813, 309396), (828, 303791), (874, 287802), (1062, 236854), (1084, 232047), (1121, 224388), (1311, 191868), (1357, 185364), (1626, 154698), (1748, 143901), (2124, 118427), (2242, 112194), (2439, 103132), (2622, 95934), (2714, 92682), (3252, 77349), (3363, 74796), (3933, 63956), (4071, 61788), (4484, 56097), (4878, 51566), (5149, 48852), (5244, 47967), (5428, 46341), (6233, 40356), (6726, 37398), (7866, 31978), (8142, 30894), (9756, 25783), (10089, 24932), (10298, 24426), (12213, 20596), (12466, 20178), (13452, 18699), (15447, 16284), (15732, 15989)]