261001044

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^2\times {\mathrm{89}}^1$

素因数の和:234

約数の個数: 108

約数和(自身を含む): 703439100

約数和(自身を除く): 442438056

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 53, 58, 87, 89, 106, 116, 159, 174, 178, 212, 261, 267, 318, 348, 356, 477, 522, 534, 636, 801, 954, 1044, 1068, 1537, 1602, 1908, 2581, 2809, 3074, 3204, 4611, 4717, 5162, 5618, 6148, 7743, 8427, 9222, 9434, 10324, 11236, 13833, 14151, 15486, 16854, 18444, 18868, 23229, 25281, 27666, 28302, 30972, 33708, 42453, 46458, 50562, 55332, 56604, 81461, 84906, 92916, 101124, 136793, 162922, 169812, 244383, 250001, 273586, 325844, 410379, 488766, 500002, 547172, 733149, 750003, 820758, 977532, 1000004, 1231137, 1466298, 1500006, 1641516, 2250009, 2462274, 2932596, 3000012, 4500018, 4924548, 7250029, 9000036, 14500058, 21750087, 29000116, 43500174, 65250261, 87000348, 130500522, 261001044]

約数ペア:

[(1, 261001044), (2, 130500522), (3, 87000348), (4, 65250261), (6, 43500174), (9, 29000116), (12, 21750087), (18, 14500058), (29, 9000036), (36, 7250029), (53, 4924548), (58, 4500018), (87, 3000012), (89, 2932596), (106, 2462274), (116, 2250009), (159, 1641516), (174, 1500006), (178, 1466298), (212, 1231137), (261, 1000004), (267, 977532), (318, 820758), (348, 750003), (356, 733149), (477, 547172), (522, 500002), (534, 488766), (636, 410379), (801, 325844), (954, 273586), (1044, 250001), (1068, 244383), (1537, 169812), (1602, 162922), (1908, 136793), (2581, 101124), (2809, 92916), (3074, 84906), (3204, 81461), (4611, 56604), (4717, 55332), (5162, 50562), (5618, 46458), (6148, 42453), (7743, 33708), (8427, 30972), (9222, 28302), (9434, 27666), (10324, 25281), (11236, 23229), (13833, 18868), (14151, 18444), (15486, 16854)]