402971380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{769}}^1$

素因数の和:1001

約数の個数: 96

約数和(自身を含む): 1024531200

約数和(自身を除く): 621559820

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 197, 266, 380, 394, 532, 665, 769, 788, 985, 1330, 1379, 1538, 1970, 2660, 2758, 3076, 3743, 3845, 3940, 5383, 5516, 6895, 7486, 7690, 10766, 13790, 14611, 14972, 15380, 18715, 21532, 26201, 26915, 27580, 29222, 37430, 52402, 53830, 58444, 73055, 74860, 102277, 104804, 107660, 131005, 146110, 151493, 204554, 262010, 292220, 302986, 409108, 511385, 524020, 605972, 757465, 1022770, 1060451, 1514930, 2045540, 2120902, 2878367, 3029860, 4241804, 5302255, 5756734, 10604510, 11513468, 14391835, 20148569, 21209020, 28783670, 40297138, 57567340, 80594276, 100742845, 201485690, 402971380]

約数ペア:

[(1, 402971380), (2, 201485690), (4, 100742845), (5, 80594276), (7, 57567340), (10, 40297138), (14, 28783670), (19, 21209020), (20, 20148569), (28, 14391835), (35, 11513468), (38, 10604510), (70, 5756734), (76, 5302255), (95, 4241804), (133, 3029860), (140, 2878367), (190, 2120902), (197, 2045540), (266, 1514930), (380, 1060451), (394, 1022770), (532, 757465), (665, 605972), (769, 524020), (788, 511385), (985, 409108), (1330, 302986), (1379, 292220), (1538, 262010), (1970, 204554), (2660, 151493), (2758, 146110), (3076, 131005), (3743, 107660), (3845, 104804), (3940, 102277), (5383, 74860), (5516, 73055), (6895, 58444), (7486, 53830), (7690, 52402), (10766, 37430), (13790, 29222), (14611, 27580), (14972, 26915), (15380, 26201), (18715, 21532)]