542210980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{7243}}^1$

素因数の和:7468

約数の個数: 48

約数和(自身を含む): 1204822080

約数和(自身を除く): 662611100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 197, 380, 394, 788, 985, 1970, 3743, 3940, 7243, 7486, 14486, 14972, 18715, 28972, 36215, 37430, 72430, 74860, 137617, 144860, 275234, 550468, 688085, 1376170, 1426871, 2752340, 2853742, 5707484, 7134355, 14268710, 27110549, 28537420, 54221098, 108442196, 135552745, 271105490, 542210980]

約数ペア:

[(1, 542210980), (2, 271105490), (4, 135552745), (5, 108442196), (10, 54221098), (19, 28537420), (20, 27110549), (38, 14268710), (76, 7134355), (95, 5707484), (190, 2853742), (197, 2752340), (380, 1426871), (394, 1376170), (788, 688085), (985, 550468), (1970, 275234), (3743, 144860), (3940, 137617), (7243, 74860), (7486, 72430), (14486, 37430), (14972, 36215), (18715, 28972)]