280817964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 847974400

約数和(自身を除く): 567156436

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 103, 124, 126, 186, 206, 217, 252, 279, 309, 349, 372, 412, 434, 558, 618, 651, 698, 721, 868, 927, 1047, 1116, 1236, 1302, 1396, 1442, 1854, 1953, 2094, 2163, 2443, 2604, 2884, 3141, 3193, 3708, 3906, 4188, 4326, 4886, 6282, 6386, 6489, 7329, 7812, 8652, 9579, 9772, 10819, 12564, 12772, 12978, 14658, 19158, 21638, 21987, 22351, 25956, 28737, 29316, 32457, 35947, 38316, 43276, 43974, 44702, 57474, 64914, 67053, 71894, 75733, 87948, 89404, 97371, 107841, 114948, 129828, 134106, 143788, 151466, 194742, 201159, 215682, 227199, 251629, 268212, 302932, 323523, 389484, 402318, 431364, 454398, 503258, 647046, 681597, 754887, 804636, 908796, 1006516, 1114357, 1294092, 1363194, 1509774, 2228714, 2264661, 2726388, 3019548, 3343071, 4457428, 4529322, 6686142, 7800499, 9058644, 10029213, 13372284, 15600998, 20058426, 23401497, 31201996, 40116852, 46802994, 70204491, 93605988, 140408982, 280817964]

約数ペア:

[(1, 280817964), (2, 140408982), (3, 93605988), (4, 70204491), (6, 46802994), (7, 40116852), (9, 31201996), (12, 23401497), (14, 20058426), (18, 15600998), (21, 13372284), (28, 10029213), (31, 9058644), (36, 7800499), (42, 6686142), (62, 4529322), (63, 4457428), (84, 3343071), (93, 3019548), (103, 2726388), (124, 2264661), (126, 2228714), (186, 1509774), (206, 1363194), (217, 1294092), (252, 1114357), (279, 1006516), (309, 908796), (349, 804636), (372, 754887), (412, 681597), (434, 647046), (558, 503258), (618, 454398), (651, 431364), (698, 402318), (721, 389484), (868, 323523), (927, 302932), (1047, 268212), (1116, 251629), (1236, 227199), (1302, 215682), (1396, 201159), (1442, 194742), (1854, 151466), (1953, 143788), (2094, 134106), (2163, 129828), (2443, 114948), (2604, 107841), (2884, 97371), (3141, 89404), (3193, 87948), (3708, 75733), (3906, 71894), (4188, 67053), (4326, 64914), (4886, 57474), (6282, 44702), (6386, 43974), (6489, 43276), (7329, 38316), (7812, 35947), (8652, 32457), (9579, 29316), (9772, 28737), (10819, 25956), (12564, 22351), (12772, 21987), (12978, 21638), (14658, 19158)]