208150740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^2$

素因数の和:199

約数の個数: 216

約数和(自身を含む): 755209728

約数和(自身を除く): 547058988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 73, 84, 90, 93, 105, 124, 126, 140, 146, 155, 180, 186, 210, 217, 219, 252, 279, 292, 310, 315, 365, 372, 420, 434, 438, 465, 511, 558, 620, 630, 651, 657, 730, 868, 876, 930, 1022, 1085, 1095, 1116, 1260, 1302, 1314, 1395, 1460, 1533, 1860, 1953, 2044, 2170, 2190, 2263, 2555, 2604, 2628, 2790, 3066, 3255, 3285, 3906, 4340, 4380, 4526, 4599, 5110, 5329, 5580, 6132, 6510, 6570, 6789, 7665, 7812, 9052, 9198, 9765, 10220, 10658, 11315, 13020, 13140, 13578, 15330, 15841, 15987, 18396, 19530, 20367, 21316, 22630, 22995, 26645, 27156, 30660, 31682, 31974, 33945, 37303, 39060, 40734, 45260, 45990, 47523, 47961, 53290, 63364, 63948, 67890, 74606, 79205, 79935, 81468, 91980, 95046, 95922, 101835, 106580, 111909, 135780, 142569, 149212, 158410, 159870, 165199, 186515, 190092, 191844, 203670, 223818, 237615, 239805, 285138, 316820, 319740, 330398, 335727, 373030, 407340, 447636, 475230, 479610, 495597, 559545, 570276, 660796, 671454, 712845, 746060, 825995, 950460, 959220, 991194, 1119090, 1156393, 1342908, 1425690, 1486791, 1651990, 1678635, 1982388, 2238180, 2312786, 2477985, 2851380, 2973582, 3303980, 3357270, 3469179, 4625572, 4955970, 5781965, 5947164, 6714540, 6938358, 7433955, 9911940, 10407537, 11563930, 13876716, 14867910, 17345895, 20815074, 23127860, 29735820, 34691790, 41630148, 52037685, 69383580, 104075370, 208150740]

約数ペア:

[(1, 208150740), (2, 104075370), (3, 69383580), (4, 52037685), (5, 41630148), (6, 34691790), (7, 29735820), (9, 23127860), (10, 20815074), (12, 17345895), (14, 14867910), (15, 13876716), (18, 11563930), (20, 10407537), (21, 9911940), (28, 7433955), (30, 6938358), (31, 6714540), (35, 5947164), (36, 5781965), (42, 4955970), (45, 4625572), (60, 3469179), (62, 3357270), (63, 3303980), (70, 2973582), (73, 2851380), (84, 2477985), (90, 2312786), (93, 2238180), (105, 1982388), (124, 1678635), (126, 1651990), (140, 1486791), (146, 1425690), (155, 1342908), (180, 1156393), (186, 1119090), (210, 991194), (217, 959220), (219, 950460), (252, 825995), (279, 746060), (292, 712845), (310, 671454), (315, 660796), (365, 570276), (372, 559545), (420, 495597), (434, 479610), (438, 475230), (465, 447636), (511, 407340), (558, 373030), (620, 335727), (630, 330398), (651, 319740), (657, 316820), (730, 285138), (868, 239805), (876, 237615), (930, 223818), (1022, 203670), (1085, 191844), (1095, 190092), (1116, 186515), (1260, 165199), (1302, 159870), (1314, 158410), (1395, 149212), (1460, 142569), (1533, 135780), (1860, 111909), (1953, 106580), (2044, 101835), (2170, 95922), (2190, 95046), (2263, 91980), (2555, 81468), (2604, 79935), (2628, 79205), (2790, 74606), (3066, 67890), (3255, 63948), (3285, 63364), (3906, 53290), (4340, 47961), (4380, 47523), (4526, 45990), (4599, 45260), (5110, 40734), (5329, 39060), (5580, 37303), (6132, 33945), (6510, 31974), (6570, 31682), (6789, 30660), (7665, 27156), (7812, 26645), (9052, 22995), (9198, 22630), (9765, 21316), (10220, 20367), (10658, 19530), (11315, 18396), (13020, 15987), (13140, 15841), (13578, 15330)]