385408520

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{4013}}^1$

素因数の和:4052

約数の個数: 80

約数和(自身を含む): 1011889260

約数和(自身を除く): 626480740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2401, 2744, 3430, 4013, 4802, 6860, 8026, 9604, 12005, 13720, 16052, 19208, 20065, 24010, 28091, 32104, 40130, 48020, 56182, 80260, 96040, 112364, 140455, 160520, 196637, 224728, 280910, 393274, 561820, 786548, 983185, 1123640, 1376459, 1573096, 1966370, 2752918, 3932740, 5505836, 6882295, 7865480, 9635213, 11011672, 13764590, 19270426, 27529180, 38540852, 48176065, 55058360, 77081704, 96352130, 192704260, 385408520]

約数ペア:

[(1, 385408520), (2, 192704260), (4, 96352130), (5, 77081704), (7, 55058360), (8, 48176065), (10, 38540852), (14, 27529180), (20, 19270426), (28, 13764590), (35, 11011672), (40, 9635213), (49, 7865480), (56, 6882295), (70, 5505836), (98, 3932740), (140, 2752918), (196, 1966370), (245, 1573096), (280, 1376459), (343, 1123640), (392, 983185), (490, 786548), (686, 561820), (980, 393274), (1372, 280910), (1715, 224728), (1960, 196637), (2401, 160520), (2744, 140455), (3430, 112364), (4013, 96040), (4802, 80260), (6860, 56182), (8026, 48020), (9604, 40130), (12005, 32104), (13720, 28091), (16052, 24010), (19208, 20065)]