9801220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 25401600

約数和(自身を除く): 15600380

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 26, 44, 46, 52, 55, 65, 92, 110, 115, 130, 143, 149, 220, 230, 253, 260, 286, 298, 299, 460, 506, 572, 596, 598, 715, 745, 1012, 1196, 1265, 1430, 1490, 1495, 1639, 1937, 2530, 2860, 2980, 2990, 3278, 3289, 3427, 3874, 5060, 5980, 6556, 6578, 6854, 7748, 8195, 9685, 13156, 13708, 16390, 16445, 17135, 19370, 21307, 32780, 32890, 34270, 37697, 38740, 42614, 44551, 65780, 68540, 75394, 85228, 89102, 106535, 150788, 178204, 188485, 213070, 222755, 376970, 426140, 445510, 490061, 753940, 891020, 980122, 1960244, 2450305, 4900610, 9801220]

約数ペア:

[(1, 9801220), (2, 4900610), (4, 2450305), (5, 1960244), (10, 980122), (11, 891020), (13, 753940), (20, 490061), (22, 445510), (23, 426140), (26, 376970), (44, 222755), (46, 213070), (52, 188485), (55, 178204), (65, 150788), (92, 106535), (110, 89102), (115, 85228), (130, 75394), (143, 68540), (149, 65780), (220, 44551), (230, 42614), (253, 38740), (260, 37697), (286, 34270), (298, 32890), (299, 32780), (460, 21307), (506, 19370), (572, 17135), (596, 16445), (598, 16390), (715, 13708), (745, 13156), (1012, 9685), (1196, 8195), (1265, 7748), (1430, 6854), (1490, 6578), (1495, 6556), (1639, 5980), (1937, 5060), (2530, 3874), (2860, 3427), (2980, 3289), (2990, 3278)]