38311980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4801}}^1$

素因数の和:4839

約数の個数: 96

約数和(自身を含む): 129077760

約数和(自身を除く): 90765780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 4801, 7980, 9602, 14403, 19204, 24005, 28806, 33607, 48010, 57612, 67214, 72015, 91219, 96020, 100821, 134428, 144030, 168035, 182438, 201642, 273657, 288060, 336070, 364876, 403284, 456095, 504105, 547314, 638533, 672140, 912190, 1008210, 1094628, 1277066, 1368285, 1824380, 1915599, 2016420, 2554132, 2736570, 3192665, 3831198, 5473140, 6385330, 7662396, 9577995, 12770660, 19155990, 38311980]

約数ペア:

[(1, 38311980), (2, 19155990), (3, 12770660), (4, 9577995), (5, 7662396), (6, 6385330), (7, 5473140), (10, 3831198), (12, 3192665), (14, 2736570), (15, 2554132), (19, 2016420), (20, 1915599), (21, 1824380), (28, 1368285), (30, 1277066), (35, 1094628), (38, 1008210), (42, 912190), (57, 672140), (60, 638533), (70, 547314), (76, 504105), (84, 456095), (95, 403284), (105, 364876), (114, 336070), (133, 288060), (140, 273657), (190, 201642), (210, 182438), (228, 168035), (266, 144030), (285, 134428), (380, 100821), (399, 96020), (420, 91219), (532, 72015), (570, 67214), (665, 57612), (798, 48010), (1140, 33607), (1330, 28806), (1596, 24005), (1995, 19204), (2660, 14403), (3990, 9602), (4801, 7980)]