70577780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 194302080

約数和(自身を除く): 123724300

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, 157, 169, 182, 190, 247, 260, 266, 314, 338, 364, 380, 455, 494, 532, 628, 665, 676, 785, 845, 910, 988, 1099, 1183, 1235, 1330, 1570, 1690, 1729, 1820, 2041, 2198, 2366, 2470, 2660, 2983, 3140, 3211, 3380, 3458, 4082, 4396, 4732, 4940, 5495, 5915, 5966, 6422, 6916, 8164, 8645, 10205, 10990, 11830, 11932, 12844, 14287, 14915, 16055, 17290, 20410, 20881, 21980, 22477, 23660, 26533, 28574, 29830, 32110, 34580, 38779, 40820, 41762, 44954, 53066, 57148, 59660, 64220, 71435, 77558, 83524, 89908, 104405, 106132, 112385, 132665, 142870, 155116, 185731, 193895, 208810, 224770, 265330, 271453, 285740, 371462, 387790, 417620, 449540, 504127, 530660, 542906, 742924, 775580, 928655, 1008254, 1085812, 1357265, 1857310, 2016508, 2520635, 2714530, 3528889, 3714620, 5041270, 5429060, 7057778, 10082540, 14115556, 17644445, 35288890, 70577780]

約数ペア:

[(1, 70577780), (2, 35288890), (4, 17644445), (5, 14115556), (7, 10082540), (10, 7057778), (13, 5429060), (14, 5041270), (19, 3714620), (20, 3528889), (26, 2714530), (28, 2520635), (35, 2016508), (38, 1857310), (52, 1357265), (65, 1085812), (70, 1008254), (76, 928655), (91, 775580), (95, 742924), (130, 542906), (133, 530660), (140, 504127), (157, 449540), (169, 417620), (182, 387790), (190, 371462), (247, 285740), (260, 271453), (266, 265330), (314, 224770), (338, 208810), (364, 193895), (380, 185731), (455, 155116), (494, 142870), (532, 132665), (628, 112385), (665, 106132), (676, 104405), (785, 89908), (845, 83524), (910, 77558), (988, 71435), (1099, 64220), (1183, 59660), (1235, 57148), (1330, 53066), (1570, 44954), (1690, 41762), (1729, 40820), (1820, 38779), (2041, 34580), (2198, 32110), (2366, 29830), (2470, 28574), (2660, 26533), (2983, 23660), (3140, 22477), (3211, 21980), (3380, 20881), (3458, 20410), (4082, 17290), (4396, 16055), (4732, 14915), (4940, 14287), (5495, 12844), (5915, 11932), (5966, 11830), (6422, 10990), (6916, 10205), (8164, 8645)]