203470540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15971}}^1$

素因数の和:16007

約数の個数: 72

約数和(自身を含む): 535317552

約数和(自身を除く): 331847012

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, 2548, 3185, 6370, 12740, 15971, 31942, 63884, 79855, 111797, 159710, 207623, 223594, 319420, 415246, 447188, 558985, 782579, 830492, 1038115, 1117970, 1453361, 1565158, 2076230, 2235940, 2906722, 3130316, 3912895, 4152460, 5813444, 7266805, 7825790, 10173527, 14533610, 15651580, 20347054, 29067220, 40694108, 50867635, 101735270, 203470540]

約数ペア:

[(1, 203470540), (2, 101735270), (4, 50867635), (5, 40694108), (7, 29067220), (10, 20347054), (13, 15651580), (14, 14533610), (20, 10173527), (26, 7825790), (28, 7266805), (35, 5813444), (49, 4152460), (52, 3912895), (65, 3130316), (70, 2906722), (91, 2235940), (98, 2076230), (130, 1565158), (140, 1453361), (182, 1117970), (196, 1038115), (245, 830492), (260, 782579), (364, 558985), (455, 447188), (490, 415246), (637, 319420), (910, 223594), (980, 207623), (1274, 159710), (1820, 111797), (2548, 79855), (3185, 63884), (6370, 31942), (12740, 15971)]