79237340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 219143232

約数和(自身を除く): 139905892

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 169, 170, 182, 197, 221, 238, 260, 338, 340, 364, 394, 442, 455, 476, 595, 676, 788, 845, 884, 910, 985, 1105, 1183, 1190, 1379, 1547, 1690, 1820, 1970, 2210, 2366, 2380, 2561, 2758, 2873, 3094, 3349, 3380, 3940, 4420, 4732, 5122, 5516, 5746, 5915, 6188, 6698, 6895, 7735, 10244, 11492, 11830, 12805, 13396, 13790, 14365, 15470, 16745, 17927, 20111, 23443, 23660, 25610, 27580, 28730, 30940, 33293, 33490, 35854, 40222, 43537, 46886, 51220, 57460, 66586, 66980, 71708, 80444, 87074, 89635, 93772, 100555, 117215, 133172, 166465, 174148, 179270, 201110, 217685, 233051, 234430, 304759, 332930, 358540, 402220, 435370, 466102, 468860, 565981, 609518, 665860, 870740, 932204, 1131962, 1165255, 1219036, 1523795, 2263924, 2330510, 2829905, 3047590, 3961867, 4661020, 5659810, 6095180, 7923734, 11319620, 15847468, 19809335, 39618670, 79237340]

約数ペア:

[(1, 79237340), (2, 39618670), (4, 19809335), (5, 15847468), (7, 11319620), (10, 7923734), (13, 6095180), (14, 5659810), (17, 4661020), (20, 3961867), (26, 3047590), (28, 2829905), (34, 2330510), (35, 2263924), (52, 1523795), (65, 1219036), (68, 1165255), (70, 1131962), (85, 932204), (91, 870740), (119, 665860), (130, 609518), (140, 565981), (169, 468860), (170, 466102), (182, 435370), (197, 402220), (221, 358540), (238, 332930), (260, 304759), (338, 234430), (340, 233051), (364, 217685), (394, 201110), (442, 179270), (455, 174148), (476, 166465), (595, 133172), (676, 117215), (788, 100555), (845, 93772), (884, 89635), (910, 87074), (985, 80444), (1105, 71708), (1183, 66980), (1190, 66586), (1379, 57460), (1547, 51220), (1690, 46886), (1820, 43537), (1970, 40222), (2210, 35854), (2366, 33490), (2380, 33293), (2561, 30940), (2758, 28730), (2873, 27580), (3094, 25610), (3349, 23660), (3380, 23443), (3940, 20111), (4420, 17927), (4732, 16745), (5122, 15470), (5516, 14365), (5746, 13790), (5915, 13396), (6188, 12805), (6698, 11830), (6895, 11492), (7735, 10244)]