437639380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{6971}}^1$

素因数の和:7096

約数の個数: 48

約数和(自身を含む): 953434944

約数和(自身を除く): 515795564

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 730, 860, 1460, 3139, 6278, 6971, 12556, 13942, 15695, 27884, 31390, 34855, 62780, 69710, 139420, 299753, 508883, 599506, 1017766, 1199012, 1498765, 2035532, 2544415, 2997530, 5088830, 5995060, 10177660, 21881969, 43763938, 87527876, 109409845, 218819690, 437639380]

約数ペア:

[(1, 437639380), (2, 218819690), (4, 109409845), (5, 87527876), (10, 43763938), (20, 21881969), (43, 10177660), (73, 5995060), (86, 5088830), (146, 2997530), (172, 2544415), (215, 2035532), (292, 1498765), (365, 1199012), (430, 1017766), (730, 599506), (860, 508883), (1460, 299753), (3139, 139420), (6278, 69710), (6971, 62780), (12556, 34855), (13942, 31390), (15695, 27884)]