28652260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{173}}^1$

素因数の和:222

約数の個数: 108

約数和(自身を含む): 76229748

約数和(自身を除く): 47577488

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 169, 173, 182, 196, 245, 260, 338, 346, 364, 455, 490, 637, 676, 692, 845, 865, 910, 980, 1183, 1211, 1274, 1690, 1730, 1820, 2249, 2366, 2422, 2548, 3185, 3380, 3460, 4498, 4732, 4844, 5915, 6055, 6370, 8281, 8477, 8996, 11245, 11830, 12110, 12740, 15743, 16562, 16954, 22490, 23660, 24220, 29237, 31486, 33124, 33908, 41405, 42385, 44980, 58474, 62972, 78715, 82810, 84770, 110201, 116948, 146185, 157430, 165620, 169540, 204659, 220402, 292370, 314860, 409318, 440804, 551005, 584740, 818636, 1023295, 1102010, 1432613, 2046590, 2204020, 2865226, 4093180, 5730452, 7163065, 14326130, 28652260]

約数ペア:

[(1, 28652260), (2, 14326130), (4, 7163065), (5, 5730452), (7, 4093180), (10, 2865226), (13, 2204020), (14, 2046590), (20, 1432613), (26, 1102010), (28, 1023295), (35, 818636), (49, 584740), (52, 551005), (65, 440804), (70, 409318), (91, 314860), (98, 292370), (130, 220402), (140, 204659), (169, 169540), (173, 165620), (182, 157430), (196, 146185), (245, 116948), (260, 110201), (338, 84770), (346, 82810), (364, 78715), (455, 62972), (490, 58474), (637, 44980), (676, 42385), (692, 41405), (845, 33908), (865, 33124), (910, 31486), (980, 29237), (1183, 24220), (1211, 23660), (1274, 22490), (1690, 16954), (1730, 16562), (1820, 15743), (2249, 12740), (2366, 12110), (2422, 11830), (2548, 11245), (3185, 8996), (3380, 8477), (3460, 8281), (4498, 6370), (4732, 6055), (4844, 5915)]