2912238640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{11597}}^1$

素因数の和:11726

約数の個数: 80

約数和(自身を含む): 7023934368

約数和(自身を除く): 4111695728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 73, 80, 86, 146, 172, 215, 292, 344, 365, 430, 584, 688, 730, 860, 1168, 1460, 1720, 2920, 3139, 3440, 5840, 6278, 11597, 12556, 15695, 23194, 25112, 31390, 46388, 50224, 57985, 62780, 92776, 115970, 125560, 185552, 231940, 251120, 463880, 498671, 846581, 927760, 997342, 1693162, 1994684, 2493355, 3386324, 3989368, 4232905, 4986710, 6772648, 7978736, 8465810, 9973420, 13545296, 16931620, 19946840, 33863240, 36402983, 39893680, 67726480, 72805966, 145611932, 182014915, 291223864, 364029830, 582447728, 728059660, 1456119320, 2912238640]

約数ペア:

[(1, 2912238640), (2, 1456119320), (4, 728059660), (5, 582447728), (8, 364029830), (10, 291223864), (16, 182014915), (20, 145611932), (40, 72805966), (43, 67726480), (73, 39893680), (80, 36402983), (86, 33863240), (146, 19946840), (172, 16931620), (215, 13545296), (292, 9973420), (344, 8465810), (365, 7978736), (430, 6772648), (584, 4986710), (688, 4232905), (730, 3989368), (860, 3386324), (1168, 2493355), (1460, 1994684), (1720, 1693162), (2920, 997342), (3139, 927760), (3440, 846581), (5840, 498671), (6278, 463880), (11597, 251120), (12556, 231940), (15695, 185552), (23194, 125560), (25112, 115970), (31390, 92776), (46388, 62780), (50224, 57985)]