42384440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 118886400

約数和(自身を除く): 76501960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 257, 266, 280, 310, 380, 434, 514, 532, 589, 620, 665, 760, 868, 1028, 1064, 1085, 1178, 1240, 1285, 1330, 1736, 1799, 2056, 2170, 2356, 2570, 2660, 2945, 3598, 4123, 4340, 4712, 4883, 5140, 5320, 5890, 7196, 7967, 8246, 8680, 8995, 9766, 10280, 11780, 14392, 15934, 16492, 17990, 19532, 20615, 23560, 24415, 31868, 32984, 34181, 35980, 39064, 39835, 41230, 48830, 55769, 63736, 68362, 71960, 79670, 82460, 97660, 111538, 136724, 151373, 159340, 164920, 170905, 195320, 223076, 273448, 278845, 302746, 318680, 341810, 446152, 557690, 605492, 683620, 756865, 1059611, 1115380, 1210984, 1367240, 1513730, 2119222, 2230760, 3027460, 4238444, 5298055, 6054920, 8476888, 10596110, 21192220, 42384440]

約数ペア:

[(1, 42384440), (2, 21192220), (4, 10596110), (5, 8476888), (7, 6054920), (8, 5298055), (10, 4238444), (14, 3027460), (19, 2230760), (20, 2119222), (28, 1513730), (31, 1367240), (35, 1210984), (38, 1115380), (40, 1059611), (56, 756865), (62, 683620), (70, 605492), (76, 557690), (95, 446152), (124, 341810), (133, 318680), (140, 302746), (152, 278845), (155, 273448), (190, 223076), (217, 195320), (248, 170905), (257, 164920), (266, 159340), (280, 151373), (310, 136724), (380, 111538), (434, 97660), (514, 82460), (532, 79670), (589, 71960), (620, 68362), (665, 63736), (760, 55769), (868, 48830), (1028, 41230), (1064, 39835), (1085, 39064), (1178, 35980), (1240, 34181), (1285, 32984), (1330, 31868), (1736, 24415), (1799, 23560), (2056, 20615), (2170, 19532), (2356, 17990), (2570, 16492), (2660, 15934), (2945, 14392), (3598, 11780), (4123, 10280), (4340, 9766), (4712, 8995), (4883, 8680), (5140, 8246), (5320, 7967), (5890, 7196)]