9993620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:82

約数の個数: 144

約数和(自身を含む): 28882560

約数和(自身を除く): 18888940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 19, 20, 26, 28, 34, 35, 38, 52, 65, 68, 70, 76, 85, 91, 95, 119, 130, 133, 140, 170, 182, 190, 221, 238, 247, 260, 266, 289, 323, 340, 364, 380, 442, 455, 476, 494, 532, 578, 595, 646, 665, 884, 910, 988, 1105, 1156, 1190, 1235, 1292, 1330, 1445, 1547, 1615, 1729, 1820, 2023, 2210, 2261, 2380, 2470, 2660, 2890, 3094, 3230, 3458, 3757, 4046, 4199, 4420, 4522, 4940, 5491, 5780, 6188, 6460, 6916, 7514, 7735, 8092, 8398, 8645, 9044, 10115, 10982, 11305, 15028, 15470, 16796, 17290, 18785, 20230, 20995, 21964, 22610, 26299, 27455, 29393, 30940, 34580, 37570, 38437, 40460, 41990, 45220, 52598, 54910, 58786, 71383, 75140, 76874, 83980, 105196, 109820, 117572, 131495, 142766, 146965, 153748, 192185, 262990, 285532, 293930, 356915, 384370, 499681, 525980, 587860, 713830, 768740, 999362, 1427660, 1998724, 2498405, 4996810, 9993620]

約数ペア:

[(1, 9993620), (2, 4996810), (4, 2498405), (5, 1998724), (7, 1427660), (10, 999362), (13, 768740), (14, 713830), (17, 587860), (19, 525980), (20, 499681), (26, 384370), (28, 356915), (34, 293930), (35, 285532), (38, 262990), (52, 192185), (65, 153748), (68, 146965), (70, 142766), (76, 131495), (85, 117572), (91, 109820), (95, 105196), (119, 83980), (130, 76874), (133, 75140), (140, 71383), (170, 58786), (182, 54910), (190, 52598), (221, 45220), (238, 41990), (247, 40460), (260, 38437), (266, 37570), (289, 34580), (323, 30940), (340, 29393), (364, 27455), (380, 26299), (442, 22610), (455, 21964), (476, 20995), (494, 20230), (532, 18785), (578, 17290), (595, 16796), (646, 15470), (665, 15028), (884, 11305), (910, 10982), (988, 10115), (1105, 9044), (1156, 8645), (1190, 8398), (1235, 8092), (1292, 7735), (1330, 7514), (1445, 6916), (1547, 6460), (1615, 6188), (1729, 5780), (1820, 5491), (2023, 4940), (2210, 4522), (2261, 4420), (2380, 4199), (2470, 4046), (2660, 3757), (2890, 3458), (3094, 3230)]