217655340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:352

約数の個数: 192

約数和(自身を含む): 731996160

約数和(自身を除く): 514340820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 73, 84, 93, 105, 124, 140, 146, 155, 186, 210, 217, 219, 229, 292, 310, 365, 372, 420, 434, 438, 458, 465, 511, 620, 651, 687, 730, 868, 876, 916, 930, 1022, 1085, 1095, 1145, 1302, 1374, 1460, 1533, 1603, 1860, 2044, 2170, 2190, 2263, 2290, 2555, 2604, 2748, 3066, 3206, 3255, 3435, 4340, 4380, 4526, 4580, 4809, 5110, 6132, 6412, 6510, 6789, 6870, 7099, 7665, 8015, 9052, 9618, 10220, 11315, 13020, 13578, 13740, 14198, 15330, 15841, 16030, 16717, 19236, 21297, 22630, 24045, 27156, 28396, 30660, 31682, 32060, 33434, 33945, 35495, 42594, 45260, 47523, 48090, 49693, 50151, 63364, 66868, 67890, 70990, 79205, 83585, 85188, 95046, 96180, 99386, 100302, 106485, 117019, 135780, 141980, 149079, 158410, 167170, 190092, 198772, 200604, 212970, 234038, 237615, 248465, 250755, 298158, 316820, 334340, 351057, 425940, 468076, 475230, 496930, 501510, 518227, 585095, 596316, 702114, 745395, 950460, 993860, 1003020, 1036454, 1170190, 1404228, 1490790, 1554681, 1755285, 2072908, 2340380, 2591135, 2981580, 3109362, 3510570, 3627589, 5182270, 6218724, 7021140, 7255178, 7773405, 10364540, 10882767, 14510356, 15546810, 18137945, 21765534, 31093620, 36275890, 43531068, 54413835, 72551780, 108827670, 217655340]

約数ペア:

[(1, 217655340), (2, 108827670), (3, 72551780), (4, 54413835), (5, 43531068), (6, 36275890), (7, 31093620), (10, 21765534), (12, 18137945), (14, 15546810), (15, 14510356), (20, 10882767), (21, 10364540), (28, 7773405), (30, 7255178), (31, 7021140), (35, 6218724), (42, 5182270), (60, 3627589), (62, 3510570), (70, 3109362), (73, 2981580), (84, 2591135), (93, 2340380), (105, 2072908), (124, 1755285), (140, 1554681), (146, 1490790), (155, 1404228), (186, 1170190), (210, 1036454), (217, 1003020), (219, 993860), (229, 950460), (292, 745395), (310, 702114), (365, 596316), (372, 585095), (420, 518227), (434, 501510), (438, 496930), (458, 475230), (465, 468076), (511, 425940), (620, 351057), (651, 334340), (687, 316820), (730, 298158), (868, 250755), (876, 248465), (916, 237615), (930, 234038), (1022, 212970), (1085, 200604), (1095, 198772), (1145, 190092), (1302, 167170), (1374, 158410), (1460, 149079), (1533, 141980), (1603, 135780), (1860, 117019), (2044, 106485), (2170, 100302), (2190, 99386), (2263, 96180), (2290, 95046), (2555, 85188), (2604, 83585), (2748, 79205), (3066, 70990), (3206, 67890), (3255, 66868), (3435, 63364), (4340, 50151), (4380, 49693), (4526, 48090), (4580, 47523), (4809, 45260), (5110, 42594), (6132, 35495), (6412, 33945), (6510, 33434), (6789, 32060), (6870, 31682), (7099, 30660), (7665, 28396), (8015, 27156), (9052, 24045), (9618, 22630), (10220, 21297), (11315, 19236), (13020, 16717), (13578, 16030), (13740, 15841), (14198, 15330)]