172173820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:444

約数の個数: 144

約数和(自身を含む): 472227840

約数和(自身を除く): 300054020

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 169, 182, 190, 247, 260, 266, 338, 364, 380, 383, 455, 494, 532, 665, 676, 766, 845, 910, 988, 1183, 1235, 1330, 1532, 1690, 1729, 1820, 1915, 2366, 2470, 2660, 2681, 3211, 3380, 3458, 3830, 4732, 4940, 4979, 5362, 5915, 6422, 6916, 7277, 7660, 8645, 9958, 10724, 11830, 12844, 13405, 14554, 16055, 17290, 19916, 22477, 23660, 24895, 26810, 29108, 32110, 34580, 34853, 36385, 44954, 49790, 50939, 53620, 64220, 64727, 69706, 72770, 89908, 94601, 99580, 101878, 112385, 129454, 139412, 145540, 174265, 189202, 203756, 224770, 254695, 258908, 323635, 348530, 378404, 449540, 453089, 473005, 509390, 647270, 662207, 697060, 906178, 946010, 1018780, 1229813, 1294540, 1324414, 1812356, 1892020, 2265445, 2459626, 2648828, 3311035, 4530890, 4919252, 6149065, 6622070, 8608691, 9061780, 12298130, 13244140, 17217382, 24596260, 34434764, 43043455, 86086910, 172173820]

約数ペア:

[(1, 172173820), (2, 86086910), (4, 43043455), (5, 34434764), (7, 24596260), (10, 17217382), (13, 13244140), (14, 12298130), (19, 9061780), (20, 8608691), (26, 6622070), (28, 6149065), (35, 4919252), (38, 4530890), (52, 3311035), (65, 2648828), (70, 2459626), (76, 2265445), (91, 1892020), (95, 1812356), (130, 1324414), (133, 1294540), (140, 1229813), (169, 1018780), (182, 946010), (190, 906178), (247, 697060), (260, 662207), (266, 647270), (338, 509390), (364, 473005), (380, 453089), (383, 449540), (455, 378404), (494, 348530), (532, 323635), (665, 258908), (676, 254695), (766, 224770), (845, 203756), (910, 189202), (988, 174265), (1183, 145540), (1235, 139412), (1330, 129454), (1532, 112385), (1690, 101878), (1729, 99580), (1820, 94601), (1915, 89908), (2366, 72770), (2470, 69706), (2660, 64727), (2681, 64220), (3211, 53620), (3380, 50939), (3458, 49790), (3830, 44954), (4732, 36385), (4940, 34853), (4979, 34580), (5362, 32110), (5915, 29108), (6422, 26810), (6916, 24895), (7277, 23660), (7660, 22477), (8645, 19916), (9958, 17290), (10724, 16055), (11830, 14554), (12844, 13405)]