49769900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 113013600

約数和(自身を除く): 63243700

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 61, 82, 100, 122, 164, 199, 205, 244, 305, 398, 410, 610, 796, 820, 995, 1025, 1220, 1525, 1990, 2050, 2501, 3050, 3980, 4100, 4975, 5002, 6100, 8159, 9950, 10004, 12139, 12505, 16318, 19900, 24278, 25010, 32636, 40795, 48556, 50020, 60695, 62525, 81590, 121390, 125050, 163180, 203975, 242780, 250100, 303475, 407950, 497699, 606950, 815900, 995398, 1213900, 1990796, 2488495, 4976990, 9953980, 12442475, 24884950, 49769900]

約数ペア:

[(1, 49769900), (2, 24884950), (4, 12442475), (5, 9953980), (10, 4976990), (20, 2488495), (25, 1990796), (41, 1213900), (50, 995398), (61, 815900), (82, 606950), (100, 497699), (122, 407950), (164, 303475), (199, 250100), (205, 242780), (244, 203975), (305, 163180), (398, 125050), (410, 121390), (610, 81590), (796, 62525), (820, 60695), (995, 50020), (1025, 48556), (1220, 40795), (1525, 32636), (1990, 25010), (2050, 24278), (2501, 19900), (3050, 16318), (3980, 12505), (4100, 12139), (4975, 10004), (5002, 9950), (6100, 8159)]