178108980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2131}}^1$

素因数の和:2349

約数の個数: 96

約数和(自身を含む): 573081600

約数和(自身を除く): 394972620

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, 2131, 2388, 2786, 2985, 3980, 4179, 4262, 5572, 5970, 6393, 6965, 8358, 8524, 10655, 11940, 12786, 13930, 14917, 16716, 20895, 21310, 25572, 27860, 29834, 31965, 41790, 42620, 44751, 59668, 63930, 74585, 83580, 89502, 127860, 149170, 179004, 223755, 298340, 424069, 447510, 848138, 895020, 1272207, 1696276, 2120345, 2544414, 2968483, 4240690, 5088828, 5936966, 6361035, 8481380, 8905449, 11873932, 12722070, 14842415, 17810898, 25444140, 29684830, 35621796, 44527245, 59369660, 89054490, 178108980]

約数ペア:

[(1, 178108980), (2, 89054490), (3, 59369660), (4, 44527245), (5, 35621796), (6, 29684830), (7, 25444140), (10, 17810898), (12, 14842415), (14, 12722070), (15, 11873932), (20, 8905449), (21, 8481380), (28, 6361035), (30, 5936966), (35, 5088828), (42, 4240690), (60, 2968483), (70, 2544414), (84, 2120345), (105, 1696276), (140, 1272207), (199, 895020), (210, 848138), (398, 447510), (420, 424069), (597, 298340), (796, 223755), (995, 179004), (1194, 149170), (1393, 127860), (1990, 89502), (2131, 83580), (2388, 74585), (2786, 63930), (2985, 59668), (3980, 44751), (4179, 42620), (4262, 41790), (5572, 31965), (5970, 29834), (6393, 27860), (6965, 25572), (8358, 21310), (8524, 20895), (10655, 16716), (11940, 14917), (12786, 13930)]