457832020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 1038562560

約数和(自身を除く): 580730540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 89, 92, 106, 115, 178, 211, 212, 230, 265, 356, 422, 445, 460, 530, 844, 890, 1055, 1060, 1219, 1780, 2047, 2110, 2438, 4094, 4220, 4717, 4853, 4876, 6095, 8188, 9434, 9706, 10235, 11183, 12190, 18779, 18868, 19412, 20470, 22366, 23585, 24265, 24380, 37558, 40940, 44732, 47170, 48530, 55915, 75116, 93895, 94340, 97060, 108491, 111830, 187790, 216982, 223660, 257209, 375580, 431917, 433964, 514418, 542455, 863834, 995287, 1028836, 1084910, 1286045, 1727668, 1990574, 2159585, 2169820, 2572090, 3981148, 4319170, 4976435, 5144180, 8638340, 9952870, 19905740, 22891601, 45783202, 91566404, 114458005, 228916010, 457832020]

約数ペア:

[(1, 457832020), (2, 228916010), (4, 114458005), (5, 91566404), (10, 45783202), (20, 22891601), (23, 19905740), (46, 9952870), (53, 8638340), (89, 5144180), (92, 4976435), (106, 4319170), (115, 3981148), (178, 2572090), (211, 2169820), (212, 2159585), (230, 1990574), (265, 1727668), (356, 1286045), (422, 1084910), (445, 1028836), (460, 995287), (530, 863834), (844, 542455), (890, 514418), (1055, 433964), (1060, 431917), (1219, 375580), (1780, 257209), (2047, 223660), (2110, 216982), (2438, 187790), (4094, 111830), (4220, 108491), (4717, 97060), (4853, 94340), (4876, 93895), (6095, 75116), (8188, 55915), (9434, 48530), (9706, 47170), (10235, 44732), (11183, 40940), (12190, 37558), (18779, 24380), (18868, 24265), (19412, 23585), (20470, 22366)]