178576580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 477804096

約数和(自身を除く): 299227516

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 107, 130, 131, 140, 182, 196, 214, 245, 260, 262, 364, 428, 455, 490, 524, 535, 637, 655, 749, 910, 917, 980, 1070, 1274, 1310, 1391, 1498, 1703, 1820, 1834, 2140, 2548, 2620, 2782, 2996, 3185, 3406, 3668, 3745, 4585, 5243, 5564, 6370, 6419, 6812, 6955, 7490, 8515, 9170, 9737, 10486, 11921, 12740, 12838, 13910, 14017, 14980, 17030, 18340, 19474, 20972, 23842, 25676, 26215, 27820, 28034, 32095, 34060, 38948, 47684, 48685, 52430, 56068, 59605, 64190, 68159, 70085, 83447, 97370, 98119, 104860, 119210, 128380, 136318, 140170, 166894, 182221, 194740, 196238, 238420, 272636, 280340, 333788, 340795, 364442, 392476, 417235, 490595, 681590, 686833, 728884, 834470, 911105, 981190, 1275547, 1363180, 1373666, 1668940, 1822210, 1962380, 2551094, 2747332, 3434165, 3644420, 5102188, 6377735, 6868330, 8928829, 12755470, 13736660, 17857658, 25510940, 35715316, 44644145, 89288290, 178576580]

約数ペア:

[(1, 178576580), (2, 89288290), (4, 44644145), (5, 35715316), (7, 25510940), (10, 17857658), (13, 13736660), (14, 12755470), (20, 8928829), (26, 6868330), (28, 6377735), (35, 5102188), (49, 3644420), (52, 3434165), (65, 2747332), (70, 2551094), (91, 1962380), (98, 1822210), (107, 1668940), (130, 1373666), (131, 1363180), (140, 1275547), (182, 981190), (196, 911105), (214, 834470), (245, 728884), (260, 686833), (262, 681590), (364, 490595), (428, 417235), (455, 392476), (490, 364442), (524, 340795), (535, 333788), (637, 280340), (655, 272636), (749, 238420), (910, 196238), (917, 194740), (980, 182221), (1070, 166894), (1274, 140170), (1310, 136318), (1391, 128380), (1498, 119210), (1703, 104860), (1820, 98119), (1834, 97370), (2140, 83447), (2548, 70085), (2620, 68159), (2782, 64190), (2996, 59605), (3185, 56068), (3406, 52430), (3668, 48685), (3745, 47684), (4585, 38948), (5243, 34060), (5564, 32095), (6370, 28034), (6419, 27820), (6812, 26215), (6955, 25676), (7490, 23842), (8515, 20972), (9170, 19474), (9737, 18340), (10486, 17030), (11921, 14980), (12740, 14017), (12838, 13910)]