42890190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:366

約数の個数: 96

約数和(自身を含む): 121150080

約数和(自身を除く): 78259890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 163, 179, 210, 245, 294, 326, 358, 489, 490, 537, 735, 815, 895, 978, 1074, 1141, 1253, 1470, 1630, 1790, 2282, 2445, 2506, 2685, 3423, 3759, 4890, 5370, 5705, 6265, 6846, 7518, 7987, 8771, 11410, 12530, 15974, 17115, 17542, 18795, 23961, 26313, 29177, 34230, 37590, 39935, 43855, 47922, 52626, 58354, 79870, 87531, 87710, 119805, 131565, 145885, 175062, 204239, 239610, 263130, 291770, 408478, 437655, 612717, 875310, 1021195, 1225434, 1429673, 2042390, 2859346, 3063585, 4289019, 6127170, 7148365, 8578038, 14296730, 21445095, 42890190]

約数ペア:

[(1, 42890190), (2, 21445095), (3, 14296730), (5, 8578038), (6, 7148365), (7, 6127170), (10, 4289019), (14, 3063585), (15, 2859346), (21, 2042390), (30, 1429673), (35, 1225434), (42, 1021195), (49, 875310), (70, 612717), (98, 437655), (105, 408478), (147, 291770), (163, 263130), (179, 239610), (210, 204239), (245, 175062), (294, 145885), (326, 131565), (358, 119805), (489, 87710), (490, 87531), (537, 79870), (735, 58354), (815, 52626), (895, 47922), (978, 43855), (1074, 39935), (1141, 37590), (1253, 34230), (1470, 29177), (1630, 26313), (1790, 23961), (2282, 18795), (2445, 17542), (2506, 17115), (2685, 15974), (3423, 12530), (3759, 11410), (4890, 8771), (5370, 7987), (5705, 7518), (6265, 6846)]