221492180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{929}}^1$

素因数の和:1089

約数の個数: 96

約数和(自身を含む): 577463040

約数和(自身を除く): 355970860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 131, 140, 182, 260, 262, 364, 455, 524, 655, 910, 917, 929, 1310, 1703, 1820, 1834, 1858, 2620, 3406, 3668, 3716, 4585, 4645, 6503, 6812, 8515, 9170, 9290, 11921, 12077, 13006, 17030, 18340, 18580, 23842, 24154, 26012, 32515, 34060, 47684, 48308, 59605, 60385, 65030, 84539, 119210, 120770, 121699, 130060, 169078, 238420, 241540, 243398, 338156, 422695, 486796, 608495, 845390, 851893, 1216990, 1582087, 1690780, 1703786, 2433980, 3164174, 3407572, 4259465, 6328348, 7910435, 8518930, 11074609, 15820870, 17037860, 22149218, 31641740, 44298436, 55373045, 110746090, 221492180]

約数ペア:

[(1, 221492180), (2, 110746090), (4, 55373045), (5, 44298436), (7, 31641740), (10, 22149218), (13, 17037860), (14, 15820870), (20, 11074609), (26, 8518930), (28, 7910435), (35, 6328348), (52, 4259465), (65, 3407572), (70, 3164174), (91, 2433980), (130, 1703786), (131, 1690780), (140, 1582087), (182, 1216990), (260, 851893), (262, 845390), (364, 608495), (455, 486796), (524, 422695), (655, 338156), (910, 243398), (917, 241540), (929, 238420), (1310, 169078), (1703, 130060), (1820, 121699), (1834, 120770), (1858, 119210), (2620, 84539), (3406, 65030), (3668, 60385), (3716, 59605), (4585, 48308), (4645, 47684), (6503, 34060), (6812, 32515), (8515, 26012), (9170, 24154), (9290, 23842), (11921, 18580), (12077, 18340), (13006, 17030)]