40816398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 106168320

約数和(自身を除く): 65351922

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 29, 31, 42, 46, 47, 58, 62, 69, 87, 93, 94, 138, 141, 161, 174, 186, 203, 217, 282, 322, 329, 406, 434, 483, 609, 651, 658, 667, 713, 899, 966, 987, 1081, 1218, 1302, 1334, 1363, 1426, 1457, 1798, 1974, 2001, 2139, 2162, 2697, 2726, 2914, 3243, 4002, 4089, 4278, 4371, 4669, 4991, 5394, 6293, 6486, 7567, 8178, 8742, 9338, 9541, 9982, 10199, 12586, 14007, 14973, 15134, 18879, 19082, 20398, 20677, 22701, 28014, 28623, 29946, 30597, 31349, 33511, 37758, 41354, 42253, 45402, 57246, 61194, 62031, 62698, 67022, 84506, 94047, 100533, 124062, 126759, 144739, 188094, 201066, 219443, 234577, 253518, 289478, 295771, 434217, 438886, 469154, 591542, 658329, 703731, 868434, 887313, 971819, 1316658, 1407462, 1774626, 1943638, 2915457, 5830914, 6802733, 13605466, 20408199, 40816398]

約数ペア:

[(1, 40816398), (2, 20408199), (3, 13605466), (6, 6802733), (7, 5830914), (14, 2915457), (21, 1943638), (23, 1774626), (29, 1407462), (31, 1316658), (42, 971819), (46, 887313), (47, 868434), (58, 703731), (62, 658329), (69, 591542), (87, 469154), (93, 438886), (94, 434217), (138, 295771), (141, 289478), (161, 253518), (174, 234577), (186, 219443), (203, 201066), (217, 188094), (282, 144739), (322, 126759), (329, 124062), (406, 100533), (434, 94047), (483, 84506), (609, 67022), (651, 62698), (658, 62031), (667, 61194), (713, 57246), (899, 45402), (966, 42253), (987, 41354), (1081, 37758), (1218, 33511), (1302, 31349), (1334, 30597), (1363, 29946), (1426, 28623), (1457, 28014), (1798, 22701), (1974, 20677), (2001, 20398), (2139, 19082), (2162, 18879), (2697, 15134), (2726, 14973), (2914, 14007), (3243, 12586), (4002, 10199), (4089, 9982), (4278, 9541), (4371, 9338), (4669, 8742), (4991, 8178), (5394, 7567), (6293, 6486)]