489193740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1951}}^1$

素因数の和:2172

約数の個数: 144

約数和(自身を含む): 1705267200

約数和(自身を除く): 1216073460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 199, 210, 252, 315, 398, 420, 597, 630, 796, 995, 1194, 1260, 1393, 1791, 1951, 1990, 2388, 2786, 2985, 3582, 3902, 3980, 4179, 5572, 5853, 5970, 6965, 7164, 7804, 8358, 8955, 9755, 11706, 11940, 12537, 13657, 13930, 16716, 17559, 17910, 19510, 20895, 23412, 25074, 27314, 27860, 29265, 35118, 35820, 39020, 40971, 41790, 50148, 54628, 58530, 62685, 68285, 70236, 81942, 83580, 87795, 117060, 122913, 125370, 136570, 163884, 175590, 204855, 245826, 250740, 273140, 351180, 388249, 409710, 491652, 614565, 776498, 819420, 1164747, 1229130, 1552996, 1941245, 2329494, 2458260, 2717743, 3494241, 3882490, 4658988, 5435486, 5823735, 6988482, 7764980, 8153229, 10870972, 11647470, 13588715, 13976964, 16306458, 17471205, 23294940, 24459687, 27177430, 32612916, 34942410, 40766145, 48919374, 54354860, 69884820, 81532290, 97838748, 122298435, 163064580, 244596870, 489193740]

約数ペア:

[(1, 489193740), (2, 244596870), (3, 163064580), (4, 122298435), (5, 97838748), (6, 81532290), (7, 69884820), (9, 54354860), (10, 48919374), (12, 40766145), (14, 34942410), (15, 32612916), (18, 27177430), (20, 24459687), (21, 23294940), (28, 17471205), (30, 16306458), (35, 13976964), (36, 13588715), (42, 11647470), (45, 10870972), (60, 8153229), (63, 7764980), (70, 6988482), (84, 5823735), (90, 5435486), (105, 4658988), (126, 3882490), (140, 3494241), (180, 2717743), (199, 2458260), (210, 2329494), (252, 1941245), (315, 1552996), (398, 1229130), (420, 1164747), (597, 819420), (630, 776498), (796, 614565), (995, 491652), (1194, 409710), (1260, 388249), (1393, 351180), (1791, 273140), (1951, 250740), (1990, 245826), (2388, 204855), (2786, 175590), (2985, 163884), (3582, 136570), (3902, 125370), (3980, 122913), (4179, 117060), (5572, 87795), (5853, 83580), (5970, 81942), (6965, 70236), (7164, 68285), (7804, 62685), (8358, 58530), (8955, 54628), (9755, 50148), (11706, 41790), (11940, 40971), (12537, 39020), (13657, 35820), (13930, 35118), (16716, 29265), (17559, 27860), (17910, 27314), (19510, 25074), (20895, 23412)]