219617748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1907}}^1$

素因数の和:2381

約数の個数: 72

約数和(自身を含む): 636172992

約数和(自身を除く): 416555244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 457, 914, 1371, 1828, 1907, 2742, 3199, 3814, 4113, 5484, 5721, 6398, 7628, 8226, 9597, 11442, 12796, 13349, 16452, 17163, 19194, 22884, 26698, 28791, 34326, 38388, 40047, 53396, 57582, 68652, 80094, 115164, 120141, 160188, 240282, 480564, 871499, 1742998, 2614497, 3485996, 5228994, 6100493, 7843491, 10457988, 12200986, 15686982, 18301479, 24401972, 31373964, 36602958, 54904437, 73205916, 109808874, 219617748]

約数ペア:

[(1, 219617748), (2, 109808874), (3, 73205916), (4, 54904437), (6, 36602958), (7, 31373964), (9, 24401972), (12, 18301479), (14, 15686982), (18, 12200986), (21, 10457988), (28, 7843491), (36, 6100493), (42, 5228994), (63, 3485996), (84, 2614497), (126, 1742998), (252, 871499), (457, 480564), (914, 240282), (1371, 160188), (1828, 120141), (1907, 115164), (2742, 80094), (3199, 68652), (3814, 57582), (4113, 53396), (5484, 40047), (5721, 38388), (6398, 34326), (7628, 28791), (8226, 26698), (9597, 22884), (11442, 19194), (12796, 17163), (13349, 16452)]