1880971510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{1427}}^1$

素因数の和:1989

約数の個数: 64

約数和(自身を含む): 3864236544

約数和(自身を除く): 1983265034

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 521, 1042, 1265, 1427, 2530, 2605, 2854, 5210, 5731, 7135, 11462, 11983, 14270, 15697, 23966, 28655, 31394, 32821, 57310, 59915, 65642, 78485, 119830, 131813, 156970, 164105, 263626, 328210, 361031, 659065, 722062, 743467, 1318130, 1486934, 1805155, 3610310, 3717335, 7434670, 8178137, 16356274, 17099741, 34199482, 40890685, 81781370, 85498705, 170997410, 188097151, 376194302, 940485755, 1880971510]

約数ペア:

[(1, 1880971510), (2, 940485755), (5, 376194302), (10, 188097151), (11, 170997410), (22, 85498705), (23, 81781370), (46, 40890685), (55, 34199482), (110, 17099741), (115, 16356274), (230, 8178137), (253, 7434670), (506, 3717335), (521, 3610310), (1042, 1805155), (1265, 1486934), (1427, 1318130), (2530, 743467), (2605, 722062), (2854, 659065), (5210, 361031), (5731, 328210), (7135, 263626), (11462, 164105), (11983, 156970), (14270, 131813), (15697, 119830), (23966, 78485), (28655, 65642), (31394, 59915), (32821, 57310)]