90238540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 225792000

約数和(自身を除く): 135553460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 79, 82, 140, 158, 164, 199, 205, 287, 316, 395, 398, 410, 553, 574, 790, 796, 820, 995, 1106, 1148, 1393, 1435, 1580, 1990, 2212, 2765, 2786, 2870, 3239, 3980, 5530, 5572, 5740, 6478, 6965, 8159, 11060, 12956, 13930, 15721, 16195, 16318, 22673, 27860, 31442, 32390, 32636, 40795, 45346, 57113, 62884, 64780, 78605, 81590, 90692, 110047, 113365, 114226, 157210, 163180, 220094, 226730, 228452, 285565, 314420, 440188, 453460, 550235, 571130, 644561, 1100470, 1142260, 1289122, 2200940, 2578244, 3222805, 4511927, 6445610, 9023854, 12891220, 18047708, 22559635, 45119270, 90238540]

約数ペア:

[(1, 90238540), (2, 45119270), (4, 22559635), (5, 18047708), (7, 12891220), (10, 9023854), (14, 6445610), (20, 4511927), (28, 3222805), (35, 2578244), (41, 2200940), (70, 1289122), (79, 1142260), (82, 1100470), (140, 644561), (158, 571130), (164, 550235), (199, 453460), (205, 440188), (287, 314420), (316, 285565), (395, 228452), (398, 226730), (410, 220094), (553, 163180), (574, 157210), (790, 114226), (796, 113365), (820, 110047), (995, 90692), (1106, 81590), (1148, 78605), (1393, 64780), (1435, 62884), (1580, 57113), (1990, 45346), (2212, 40795), (2765, 32636), (2786, 32390), (2870, 31442), (3239, 27860), (3980, 22673), (5530, 16318), (5572, 16195), (5740, 15721), (6478, 13930), (6965, 12956), (8159, 11060)]