408398340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4481}}^1$

素因数の和:4538

約数の個数: 144

約数和(自身を含む): 1373428224

約数和(自身を除く): 965029884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2604, 2940, 3038, 3255, 4340, 4481, 4557, 6076, 6510, 7595, 8962, 9114, 13020, 13443, 15190, 17924, 18228, 22405, 22785, 26886, 30380, 31367, 44810, 45570, 53772, 62734, 67215, 89620, 91140, 94101, 125468, 134430, 138911, 156835, 188202, 219569, 268860, 277822, 313670, 376404, 416733, 439138, 470505, 555644, 627340, 658707, 694555, 833466, 878276, 941010, 972377, 1097845, 1317414, 1389110, 1666932, 1882020, 1944754, 2083665, 2195690, 2634828, 2778220, 2917131, 3293535, 3889508, 4167330, 4391380, 4861885, 5834262, 6587070, 6806639, 8334660, 9723770, 11668524, 13174140, 13613278, 14585655, 19447540, 20419917, 27226556, 29171310, 34033195, 40839834, 58342620, 68066390, 81679668, 102099585, 136132780, 204199170, 408398340]

約数ペア:

[(1, 408398340), (2, 204199170), (3, 136132780), (4, 102099585), (5, 81679668), (6, 68066390), (7, 58342620), (10, 40839834), (12, 34033195), (14, 29171310), (15, 27226556), (20, 20419917), (21, 19447540), (28, 14585655), (30, 13613278), (31, 13174140), (35, 11668524), (42, 9723770), (49, 8334660), (60, 6806639), (62, 6587070), (70, 5834262), (84, 4861885), (93, 4391380), (98, 4167330), (105, 3889508), (124, 3293535), (140, 2917131), (147, 2778220), (155, 2634828), (186, 2195690), (196, 2083665), (210, 1944754), (217, 1882020), (245, 1666932), (294, 1389110), (310, 1317414), (372, 1097845), (420, 972377), (434, 941010), (465, 878276), (490, 833466), (588, 694555), (620, 658707), (651, 627340), (735, 555644), (868, 470505), (930, 439138), (980, 416733), (1085, 376404), (1302, 313670), (1470, 277822), (1519, 268860), (1860, 219569), (2170, 188202), (2604, 156835), (2940, 138911), (3038, 134430), (3255, 125468), (4340, 94101), (4481, 91140), (4557, 89620), (6076, 67215), (6510, 62734), (7595, 53772), (8962, 45570), (9114, 44810), (13020, 31367), (13443, 30380), (15190, 26886), (17924, 22785), (18228, 22405)]