49756980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{701}}^1$

素因数の和:746

約数の個数: 144

約数和(自身を含む): 172658304

約数和(自身を除く): 122901324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 701, 780, 845, 910, 1014, 1092, 1183, 1365, 1402, 1690, 1820, 2028, 2103, 2366, 2535, 2730, 2804, 3380, 3505, 3549, 4206, 4732, 4907, 5070, 5460, 5915, 7010, 7098, 8412, 9113, 9814, 10140, 10515, 11830, 14020, 14196, 14721, 17745, 18226, 19628, 21030, 23660, 24535, 27339, 29442, 35490, 36452, 42060, 45565, 49070, 54678, 58884, 63791, 70980, 73605, 91130, 98140, 109356, 118469, 127582, 136695, 147210, 182260, 191373, 236938, 255164, 273390, 294420, 318955, 355407, 382746, 473876, 546780, 592345, 637910, 710814, 765492, 829283, 956865, 1184690, 1275820, 1421628, 1658566, 1777035, 1913730, 2369380, 2487849, 3317132, 3554070, 3827460, 4146415, 4975698, 7108140, 8292830, 9951396, 12439245, 16585660, 24878490, 49756980]

約数ペア:

[(1, 49756980), (2, 24878490), (3, 16585660), (4, 12439245), (5, 9951396), (6, 8292830), (7, 7108140), (10, 4975698), (12, 4146415), (13, 3827460), (14, 3554070), (15, 3317132), (20, 2487849), (21, 2369380), (26, 1913730), (28, 1777035), (30, 1658566), (35, 1421628), (39, 1275820), (42, 1184690), (52, 956865), (60, 829283), (65, 765492), (70, 710814), (78, 637910), (84, 592345), (91, 546780), (105, 473876), (130, 382746), (140, 355407), (156, 318955), (169, 294420), (182, 273390), (195, 255164), (210, 236938), (260, 191373), (273, 182260), (338, 147210), (364, 136695), (390, 127582), (420, 118469), (455, 109356), (507, 98140), (546, 91130), (676, 73605), (701, 70980), (780, 63791), (845, 58884), (910, 54678), (1014, 49070), (1092, 45565), (1183, 42060), (1365, 36452), (1402, 35490), (1690, 29442), (1820, 27339), (2028, 24535), (2103, 23660), (2366, 21030), (2535, 19628), (2730, 18226), (2804, 17745), (3380, 14721), (3505, 14196), (3549, 14020), (4206, 11830), (4732, 10515), (4907, 10140), (5070, 9814), (5460, 9113), (5915, 8412), (7010, 7098)]