178888356

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^2\times {\mathrm{61}}^1$

素因数の和:206

約数の個数: 108

約数和(自身を含む): 484591380

約数和(自身を除く): 305703024

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 53, 58, 61, 87, 106, 116, 122, 159, 174, 183, 212, 244, 261, 318, 348, 366, 477, 522, 549, 636, 732, 954, 1044, 1098, 1537, 1769, 1908, 2196, 2809, 3074, 3233, 3538, 4611, 5307, 5618, 6148, 6466, 7076, 8427, 9222, 9699, 10614, 11236, 12932, 13833, 15921, 16854, 18444, 19398, 21228, 25281, 27666, 29097, 31842, 33708, 38796, 50562, 55332, 58194, 63684, 81461, 93757, 101124, 116388, 162922, 171349, 187514, 244383, 281271, 325844, 342698, 375028, 488766, 514047, 562542, 685396, 733149, 843813, 977532, 1028094, 1125084, 1466298, 1542141, 1687626, 2056188, 2932596, 3084282, 3375252, 4969121, 6168564, 9938242, 14907363, 19876484, 29814726, 44722089, 59629452, 89444178, 178888356]

約数ペア:

[(1, 178888356), (2, 89444178), (3, 59629452), (4, 44722089), (6, 29814726), (9, 19876484), (12, 14907363), (18, 9938242), (29, 6168564), (36, 4969121), (53, 3375252), (58, 3084282), (61, 2932596), (87, 2056188), (106, 1687626), (116, 1542141), (122, 1466298), (159, 1125084), (174, 1028094), (183, 977532), (212, 843813), (244, 733149), (261, 685396), (318, 562542), (348, 514047), (366, 488766), (477, 375028), (522, 342698), (549, 325844), (636, 281271), (732, 244383), (954, 187514), (1044, 171349), (1098, 162922), (1537, 116388), (1769, 101124), (1908, 93757), (2196, 81461), (2809, 63684), (3074, 58194), (3233, 55332), (3538, 50562), (4611, 38796), (5307, 33708), (5618, 31842), (6148, 29097), (6466, 27666), (7076, 25281), (8427, 21228), (9222, 19398), (9699, 18444), (10614, 16854), (11236, 15921), (12932, 13833)]