1780734340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{60859}}^1$

素因数の和:60905

約数の個数: 96

約数和(自身を含む): 4907750400

約数和(自身を除く): 3127016060

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 380, 385, 418, 532, 665, 770, 836, 1045, 1330, 1463, 1540, 2090, 2660, 2926, 4180, 5852, 7315, 14630, 29260, 60859, 121718, 243436, 304295, 426013, 608590, 669449, 852026, 1156321, 1217180, 1338898, 1704052, 2130065, 2312642, 2677796, 3347245, 4260130, 4625284, 4686143, 5781605, 6694490, 8094247, 8520260, 9372286, 11563210, 12719531, 13388980, 16188494, 18744572, 23126420, 23430715, 25439062, 32376988, 40471235, 46861430, 50878124, 63597655, 80942470, 89036717, 93722860, 127195310, 161884940, 178073434, 254390620, 356146868, 445183585, 890367170, 1780734340]

約数ペア:

[(1, 1780734340), (2, 890367170), (4, 445183585), (5, 356146868), (7, 254390620), (10, 178073434), (11, 161884940), (14, 127195310), (19, 93722860), (20, 89036717), (22, 80942470), (28, 63597655), (35, 50878124), (38, 46861430), (44, 40471235), (55, 32376988), (70, 25439062), (76, 23430715), (77, 23126420), (95, 18744572), (110, 16188494), (133, 13388980), (140, 12719531), (154, 11563210), (190, 9372286), (209, 8520260), (220, 8094247), (266, 6694490), (308, 5781605), (380, 4686143), (385, 4625284), (418, 4260130), (532, 3347245), (665, 2677796), (770, 2312642), (836, 2130065), (1045, 1704052), (1330, 1338898), (1463, 1217180), (1540, 1156321), (2090, 852026), (2660, 669449), (2926, 608590), (4180, 426013), (5852, 304295), (7315, 243436), (14630, 121718), (29260, 60859)]