49178920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 133954560

約数和(自身を除く): 84775640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 47, 56, 70, 74, 94, 101, 140, 148, 185, 188, 202, 235, 259, 280, 296, 329, 370, 376, 404, 470, 505, 518, 658, 707, 740, 808, 940, 1010, 1036, 1295, 1316, 1414, 1480, 1645, 1739, 1880, 2020, 2072, 2590, 2632, 2828, 3290, 3478, 3535, 3737, 4040, 4747, 5180, 5656, 6580, 6956, 7070, 7474, 8695, 9494, 10360, 12173, 13160, 13912, 14140, 14948, 17390, 18685, 18988, 23735, 24346, 26159, 28280, 29896, 33229, 34780, 37370, 37976, 47470, 48692, 52318, 60865, 66458, 69560, 74740, 94940, 97384, 104636, 121730, 130795, 132916, 149480, 166145, 175639, 189880, 209272, 243460, 261590, 265832, 332290, 351278, 486920, 523180, 664580, 702556, 878195, 1046360, 1229473, 1329160, 1405112, 1756390, 2458946, 3512780, 4917892, 6147365, 7025560, 9835784, 12294730, 24589460, 49178920]

約数ペア:

[(1, 49178920), (2, 24589460), (4, 12294730), (5, 9835784), (7, 7025560), (8, 6147365), (10, 4917892), (14, 3512780), (20, 2458946), (28, 1756390), (35, 1405112), (37, 1329160), (40, 1229473), (47, 1046360), (56, 878195), (70, 702556), (74, 664580), (94, 523180), (101, 486920), (140, 351278), (148, 332290), (185, 265832), (188, 261590), (202, 243460), (235, 209272), (259, 189880), (280, 175639), (296, 166145), (329, 149480), (370, 132916), (376, 130795), (404, 121730), (470, 104636), (505, 97384), (518, 94940), (658, 74740), (707, 69560), (740, 66458), (808, 60865), (940, 52318), (1010, 48692), (1036, 47470), (1295, 37976), (1316, 37370), (1414, 34780), (1480, 33229), (1645, 29896), (1739, 28280), (1880, 26159), (2020, 24346), (2072, 23735), (2590, 18988), (2632, 18685), (2828, 17390), (3290, 14948), (3478, 14140), (3535, 13912), (3737, 13160), (4040, 12173), (4747, 10360), (5180, 9494), (5656, 8695), (6580, 7474), (6956, 7070)]