248438970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^2\times {\mathrm{61}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 719219592

約数和(自身を除く): 470780622

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 59, 61, 65, 78, 90, 117, 118, 122, 130, 177, 183, 195, 234, 295, 305, 354, 366, 390, 531, 549, 585, 590, 610, 767, 793, 885, 915, 1062, 1098, 1170, 1534, 1586, 1770, 1830, 2301, 2379, 2655, 2745, 3481, 3599, 3835, 3965, 4602, 4758, 5310, 5490, 6903, 6962, 7137, 7198, 7670, 7930, 10443, 10797, 11505, 11895, 13806, 14274, 17405, 17995, 20886, 21594, 23010, 23790, 31329, 32391, 34515, 34810, 35685, 35990, 45253, 46787, 52215, 53985, 62658, 64782, 69030, 71370, 90506, 93574, 104430, 107970, 135759, 140361, 156645, 161955, 212341, 226265, 233935, 271518, 280722, 313290, 323910, 407277, 421083, 424682, 452530, 467870, 637023, 678795, 701805, 814554, 842166, 1061705, 1274046, 1357590, 1403610, 1911069, 2036385, 2105415, 2123410, 2760433, 3185115, 3822138, 4072770, 4210830, 5520866, 6370230, 8281299, 9555345, 13802165, 16562598, 19110690, 24843897, 27604330, 41406495, 49687794, 82812990, 124219485, 248438970]

約数ペア:

[(1, 248438970), (2, 124219485), (3, 82812990), (5, 49687794), (6, 41406495), (9, 27604330), (10, 24843897), (13, 19110690), (15, 16562598), (18, 13802165), (26, 9555345), (30, 8281299), (39, 6370230), (45, 5520866), (59, 4210830), (61, 4072770), (65, 3822138), (78, 3185115), (90, 2760433), (117, 2123410), (118, 2105415), (122, 2036385), (130, 1911069), (177, 1403610), (183, 1357590), (195, 1274046), (234, 1061705), (295, 842166), (305, 814554), (354, 701805), (366, 678795), (390, 637023), (531, 467870), (549, 452530), (585, 424682), (590, 421083), (610, 407277), (767, 323910), (793, 313290), (885, 280722), (915, 271518), (1062, 233935), (1098, 226265), (1170, 212341), (1534, 161955), (1586, 156645), (1770, 140361), (1830, 135759), (2301, 107970), (2379, 104430), (2655, 93574), (2745, 90506), (3481, 71370), (3599, 69030), (3835, 64782), (3965, 62658), (4602, 53985), (4758, 52215), (5310, 46787), (5490, 45253), (6903, 35990), (6962, 35685), (7137, 34810), (7198, 34515), (7670, 32391), (7930, 31329), (10443, 23790), (10797, 23010), (11505, 21594), (11895, 20886), (13806, 17995), (14274, 17405)]