238777720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 587865600

約数和(自身を除く): 349087880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 59, 83, 92, 106, 115, 118, 166, 184, 212, 230, 236, 265, 295, 332, 415, 424, 460, 472, 530, 590, 664, 830, 920, 1060, 1180, 1219, 1357, 1660, 1909, 2120, 2360, 2438, 2714, 3127, 3320, 3818, 4399, 4876, 4897, 5428, 6095, 6254, 6785, 7636, 8798, 9545, 9752, 9794, 10856, 12190, 12508, 13570, 15272, 15635, 17596, 19090, 19588, 21995, 24380, 24485, 25016, 27140, 31270, 35192, 38180, 39176, 43990, 48760, 48970, 54280, 62540, 71921, 76360, 87980, 97940, 101177, 112631, 125080, 143842, 175960, 195880, 202354, 225262, 259541, 287684, 359605, 404708, 450524, 505885, 519082, 563155, 575368, 719210, 809416, 901048, 1011770, 1038164, 1126310, 1297705, 1438420, 2023540, 2076328, 2252620, 2595410, 2876840, 4047080, 4505240, 5190820, 5969443, 10381640, 11938886, 23877772, 29847215, 47755544, 59694430, 119388860, 238777720]

約数ペア:

[(1, 238777720), (2, 119388860), (4, 59694430), (5, 47755544), (8, 29847215), (10, 23877772), (20, 11938886), (23, 10381640), (40, 5969443), (46, 5190820), (53, 4505240), (59, 4047080), (83, 2876840), (92, 2595410), (106, 2252620), (115, 2076328), (118, 2023540), (166, 1438420), (184, 1297705), (212, 1126310), (230, 1038164), (236, 1011770), (265, 901048), (295, 809416), (332, 719210), (415, 575368), (424, 563155), (460, 519082), (472, 505885), (530, 450524), (590, 404708), (664, 359605), (830, 287684), (920, 259541), (1060, 225262), (1180, 202354), (1219, 195880), (1357, 175960), (1660, 143842), (1909, 125080), (2120, 112631), (2360, 101177), (2438, 97940), (2714, 87980), (3127, 76360), (3320, 71921), (3818, 62540), (4399, 54280), (4876, 48970), (4897, 48760), (5428, 43990), (6095, 39176), (6254, 38180), (6785, 35192), (7636, 31270), (8798, 27140), (9545, 25016), (9752, 24485), (9794, 24380), (10856, 21995), (12190, 19588), (12508, 19090), (13570, 17596), (15272, 15635)]