840484494

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:690

約数の個数: 96

約数和(自身を含む): 1978797600

約数和(自身を除く): 1138313106

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 53, 57, 89, 106, 114, 159, 171, 178, 267, 318, 342, 477, 521, 534, 801, 954, 1007, 1042, 1563, 1602, 1691, 2014, 3021, 3126, 3382, 4689, 4717, 5073, 6042, 9063, 9378, 9434, 9899, 10146, 14151, 15219, 18126, 19798, 27613, 28302, 29697, 30438, 42453, 46369, 55226, 59394, 82839, 84906, 89091, 89623, 92738, 139107, 165678, 178182, 179246, 248517, 268869, 278214, 417321, 497034, 524647, 537738, 806607, 834642, 881011, 1049294, 1573941, 1613214, 1762022, 2457557, 2643033, 3147882, 4721823, 4915114, 5286066, 7372671, 7929099, 9443646, 14745342, 15858198, 22118013, 44236026, 46693583, 93387166, 140080749, 280161498, 420242247, 840484494]

約数ペア:

[(1, 840484494), (2, 420242247), (3, 280161498), (6, 140080749), (9, 93387166), (18, 46693583), (19, 44236026), (38, 22118013), (53, 15858198), (57, 14745342), (89, 9443646), (106, 7929099), (114, 7372671), (159, 5286066), (171, 4915114), (178, 4721823), (267, 3147882), (318, 2643033), (342, 2457557), (477, 1762022), (521, 1613214), (534, 1573941), (801, 1049294), (954, 881011), (1007, 834642), (1042, 806607), (1563, 537738), (1602, 524647), (1691, 497034), (2014, 417321), (3021, 278214), (3126, 268869), (3382, 248517), (4689, 179246), (4717, 178182), (5073, 165678), (6042, 139107), (9063, 92738), (9378, 89623), (9434, 89091), (9899, 84906), (10146, 82839), (14151, 59394), (15219, 55226), (18126, 46369), (19798, 42453), (27613, 30438), (28302, 29697)]