138213440

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:340

約数の個数: 112

約数和(自身を含む): 348935040

約数和(自身を除く): 210721600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 160, 178, 184, 211, 230, 320, 356, 368, 422, 445, 460, 712, 736, 844, 890, 920, 1055, 1424, 1472, 1688, 1780, 1840, 2047, 2110, 2848, 3376, 3560, 3680, 4094, 4220, 4853, 5696, 6752, 7120, 7360, 8188, 8440, 9706, 10235, 13504, 14240, 16376, 16880, 18779, 19412, 20470, 24265, 28480, 32752, 33760, 37558, 38824, 40940, 48530, 65504, 67520, 75116, 77648, 81880, 93895, 97060, 131008, 150232, 155296, 163760, 187790, 194120, 300464, 310592, 327520, 375580, 388240, 431917, 600928, 655040, 751160, 776480, 863834, 1201856, 1502320, 1552960, 1727668, 2159585, 3004640, 3455336, 4319170, 6009280, 6910672, 8638340, 13821344, 17276680, 27642688, 34553360, 69106720, 138213440]

約数ペア:

[(1, 138213440), (2, 69106720), (4, 34553360), (5, 27642688), (8, 17276680), (10, 13821344), (16, 8638340), (20, 6910672), (23, 6009280), (32, 4319170), (40, 3455336), (46, 3004640), (64, 2159585), (80, 1727668), (89, 1552960), (92, 1502320), (115, 1201856), (160, 863834), (178, 776480), (184, 751160), (211, 655040), (230, 600928), (320, 431917), (356, 388240), (368, 375580), (422, 327520), (445, 310592), (460, 300464), (712, 194120), (736, 187790), (844, 163760), (890, 155296), (920, 150232), (1055, 131008), (1424, 97060), (1472, 93895), (1688, 81880), (1780, 77648), (1840, 75116), (2047, 67520), (2110, 65504), (2848, 48530), (3376, 40940), (3560, 38824), (3680, 37558), (4094, 33760), (4220, 32752), (4853, 28480), (5696, 24265), (6752, 20470), (7120, 19412), (7360, 18779), (8188, 16880), (8440, 16376), (9706, 14240), (10235, 13504)]