30282980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2377}}^1$

素因数の和:2413

約数の個数: 72

約数和(自身を含む): 79701048

約数和(自身を除く): 49418068

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2377, 2548, 3185, 4754, 6370, 9508, 11885, 12740, 16639, 23770, 30901, 33278, 47540, 61802, 66556, 83195, 116473, 123604, 154505, 166390, 216307, 232946, 309010, 332780, 432614, 465892, 582365, 618020, 865228, 1081535, 1164730, 1514149, 2163070, 2329460, 3028298, 4326140, 6056596, 7570745, 15141490, 30282980]

約数ペア:

[(1, 30282980), (2, 15141490), (4, 7570745), (5, 6056596), (7, 4326140), (10, 3028298), (13, 2329460), (14, 2163070), (20, 1514149), (26, 1164730), (28, 1081535), (35, 865228), (49, 618020), (52, 582365), (65, 465892), (70, 432614), (91, 332780), (98, 309010), (130, 232946), (140, 216307), (182, 166390), (196, 154505), (245, 123604), (260, 116473), (364, 83195), (455, 66556), (490, 61802), (637, 47540), (910, 33278), (980, 30901), (1274, 23770), (1820, 16639), (2377, 12740), (2548, 11885), (3185, 9508), (4754, 6370)]