320804988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{353}}^1$

素因数の和:747

約数の個数: 96

約数和(自身を含む): 888115200

約数和(自身を除く): 567310212

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 349, 353, 372, 434, 651, 698, 706, 868, 1047, 1059, 1302, 1396, 1412, 2094, 2118, 2443, 2471, 2604, 4188, 4236, 4886, 4942, 7329, 7413, 9772, 9884, 10819, 10943, 14658, 14826, 21638, 21886, 29316, 29652, 32457, 32829, 43276, 43772, 64914, 65658, 75733, 76601, 123197, 129828, 131316, 151466, 153202, 227199, 229803, 246394, 302932, 306404, 369591, 454398, 459606, 492788, 739182, 862379, 908796, 919212, 1478364, 1724758, 2587137, 3449516, 3819107, 5174274, 7638214, 10348548, 11457321, 15276428, 22914642, 26733749, 45829284, 53467498, 80201247, 106934996, 160402494, 320804988]

約数ペア:

[(1, 320804988), (2, 160402494), (3, 106934996), (4, 80201247), (6, 53467498), (7, 45829284), (12, 26733749), (14, 22914642), (21, 15276428), (28, 11457321), (31, 10348548), (42, 7638214), (62, 5174274), (84, 3819107), (93, 3449516), (124, 2587137), (186, 1724758), (217, 1478364), (349, 919212), (353, 908796), (372, 862379), (434, 739182), (651, 492788), (698, 459606), (706, 454398), (868, 369591), (1047, 306404), (1059, 302932), (1302, 246394), (1396, 229803), (1412, 227199), (2094, 153202), (2118, 151466), (2443, 131316), (2471, 129828), (2604, 123197), (4188, 76601), (4236, 75733), (4886, 65658), (4942, 64914), (7329, 43772), (7413, 43276), (9772, 32829), (9884, 32457), (10819, 29652), (10943, 29316), (14658, 21886), (14826, 21638)]