42902440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 116640000

約数和(自身を除く): 73737560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 53, 56, 59, 70, 98, 106, 118, 140, 196, 212, 236, 245, 265, 280, 295, 343, 371, 392, 413, 424, 472, 490, 530, 590, 686, 742, 826, 980, 1060, 1180, 1372, 1484, 1652, 1715, 1855, 1960, 2065, 2120, 2360, 2597, 2744, 2891, 2968, 3127, 3304, 3430, 3710, 4130, 5194, 5782, 6254, 6860, 7420, 8260, 10388, 11564, 12508, 12985, 13720, 14455, 14840, 15635, 16520, 18179, 20237, 20776, 21889, 23128, 25016, 25970, 28910, 31270, 36358, 40474, 43778, 51940, 57820, 62540, 72716, 80948, 87556, 90895, 101185, 103880, 109445, 115640, 125080, 145432, 153223, 161896, 175112, 181790, 202370, 218890, 306446, 363580, 404740, 437780, 612892, 727160, 766115, 809480, 875560, 1072561, 1225784, 1532230, 2145122, 3064460, 4290244, 5362805, 6128920, 8580488, 10725610, 21451220, 42902440]

約数ペア:

[(1, 42902440), (2, 21451220), (4, 10725610), (5, 8580488), (7, 6128920), (8, 5362805), (10, 4290244), (14, 3064460), (20, 2145122), (28, 1532230), (35, 1225784), (40, 1072561), (49, 875560), (53, 809480), (56, 766115), (59, 727160), (70, 612892), (98, 437780), (106, 404740), (118, 363580), (140, 306446), (196, 218890), (212, 202370), (236, 181790), (245, 175112), (265, 161896), (280, 153223), (295, 145432), (343, 125080), (371, 115640), (392, 109445), (413, 103880), (424, 101185), (472, 90895), (490, 87556), (530, 80948), (590, 72716), (686, 62540), (742, 57820), (826, 51940), (980, 43778), (1060, 40474), (1180, 36358), (1372, 31270), (1484, 28910), (1652, 25970), (1715, 25016), (1855, 23128), (1960, 21889), (2065, 20776), (2120, 20237), (2360, 18179), (2597, 16520), (2744, 15635), (2891, 14840), (2968, 14455), (3127, 13720), (3304, 12985), (3430, 12508), (3710, 11564), (4130, 10388), (5194, 8260), (5782, 7420), (6254, 6860)]