178610460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2137}}^1$

素因数の和:2355

約数の個数: 96

約数和(自身を含む): 574694400

約数和(自身を除く): 396083940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 199, 210, 398, 420, 597, 796, 995, 1194, 1393, 1990, 2137, 2388, 2786, 2985, 3980, 4179, 4274, 5572, 5970, 6411, 6965, 8358, 8548, 10685, 11940, 12822, 13930, 14959, 16716, 20895, 21370, 25644, 27860, 29918, 32055, 41790, 42740, 44877, 59836, 64110, 74795, 83580, 89754, 128220, 149590, 179508, 224385, 299180, 425263, 448770, 850526, 897540, 1275789, 1701052, 2126315, 2551578, 2976841, 4252630, 5103156, 5953682, 6378945, 8505260, 8930523, 11907364, 12757890, 14884205, 17861046, 25515780, 29768410, 35722092, 44652615, 59536820, 89305230, 178610460]

約数ペア:

[(1, 178610460), (2, 89305230), (3, 59536820), (4, 44652615), (5, 35722092), (6, 29768410), (7, 25515780), (10, 17861046), (12, 14884205), (14, 12757890), (15, 11907364), (20, 8930523), (21, 8505260), (28, 6378945), (30, 5953682), (35, 5103156), (42, 4252630), (60, 2976841), (70, 2551578), (84, 2126315), (105, 1701052), (140, 1275789), (199, 897540), (210, 850526), (398, 448770), (420, 425263), (597, 299180), (796, 224385), (995, 179508), (1194, 149590), (1393, 128220), (1990, 89754), (2137, 83580), (2388, 74795), (2786, 64110), (2985, 59836), (3980, 44877), (4179, 42740), (4274, 41790), (5572, 32055), (5970, 29918), (6411, 27860), (6965, 25644), (8358, 21370), (8548, 20895), (10685, 16716), (11940, 14959), (12822, 13930)]