172457740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 462635712

約数和(自身を除く): 290177972

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 52, 65, 70, 74, 91, 130, 140, 148, 169, 182, 185, 197, 259, 260, 338, 364, 370, 394, 455, 481, 518, 676, 740, 788, 845, 910, 962, 985, 1036, 1183, 1295, 1379, 1690, 1820, 1924, 1970, 2366, 2405, 2561, 2590, 2758, 3367, 3380, 3940, 4732, 4810, 5122, 5180, 5516, 5915, 6253, 6734, 6895, 7289, 9620, 10244, 11830, 12506, 12805, 13468, 13790, 14578, 16835, 17927, 23660, 25012, 25610, 27580, 29156, 31265, 33293, 33670, 35854, 36445, 43771, 51023, 51220, 62530, 66586, 67340, 71708, 72890, 87542, 89635, 94757, 102046, 125060, 133172, 145780, 166465, 175084, 179270, 189514, 204092, 218855, 233051, 255115, 332930, 358540, 379028, 437710, 466102, 473785, 510230, 663299, 665860, 875420, 932204, 947570, 1020460, 1165255, 1231841, 1326598, 1895140, 2330510, 2463682, 2653196, 3316495, 4661020, 4927364, 6159205, 6632990, 8622887, 12318410, 13265980, 17245774, 24636820, 34491548, 43114435, 86228870, 172457740]

約数ペア:

[(1, 172457740), (2, 86228870), (4, 43114435), (5, 34491548), (7, 24636820), (10, 17245774), (13, 13265980), (14, 12318410), (20, 8622887), (26, 6632990), (28, 6159205), (35, 4927364), (37, 4661020), (52, 3316495), (65, 2653196), (70, 2463682), (74, 2330510), (91, 1895140), (130, 1326598), (140, 1231841), (148, 1165255), (169, 1020460), (182, 947570), (185, 932204), (197, 875420), (259, 665860), (260, 663299), (338, 510230), (364, 473785), (370, 466102), (394, 437710), (455, 379028), (481, 358540), (518, 332930), (676, 255115), (740, 233051), (788, 218855), (845, 204092), (910, 189514), (962, 179270), (985, 175084), (1036, 166465), (1183, 145780), (1295, 133172), (1379, 125060), (1690, 102046), (1820, 94757), (1924, 89635), (1970, 87542), (2366, 72890), (2405, 71708), (2561, 67340), (2590, 66586), (2758, 62530), (3367, 51220), (3380, 51023), (3940, 43771), (4732, 36445), (4810, 35854), (5122, 33670), (5180, 33293), (5516, 31265), (5915, 29156), (6253, 27580), (6734, 25610), (6895, 25012), (7289, 23660), (9620, 17927), (10244, 16835), (11830, 14578), (12506, 13790), (12805, 13468)]