210995892

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 542505600

約数和(自身を除く): 331509708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 179, 239, 274, 358, 411, 478, 537, 548, 716, 717, 822, 956, 1074, 1233, 1434, 1611, 1644, 2148, 2151, 2466, 2868, 3222, 4302, 4932, 6444, 8604, 24523, 32743, 42781, 49046, 65486, 73569, 85562, 98092, 98229, 128343, 130972, 147138, 171124, 196458, 220707, 256686, 294276, 294687, 385029, 392916, 441414, 513372, 589374, 770058, 882828, 1178748, 1540116, 5860997, 11721994, 17582991, 23443988, 35165982, 52748973, 70331964, 105497946, 210995892]

約数ペア:

[(1, 210995892), (2, 105497946), (3, 70331964), (4, 52748973), (6, 35165982), (9, 23443988), (12, 17582991), (18, 11721994), (36, 5860997), (137, 1540116), (179, 1178748), (239, 882828), (274, 770058), (358, 589374), (411, 513372), (478, 441414), (537, 392916), (548, 385029), (716, 294687), (717, 294276), (822, 256686), (956, 220707), (1074, 196458), (1233, 171124), (1434, 147138), (1611, 130972), (1644, 128343), (2148, 98229), (2151, 98092), (2466, 85562), (2868, 73569), (3222, 65486), (4302, 49046), (4932, 42781), (6444, 32743), (8604, 24523)]