278021240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1877}}^1$

素因数の和:1941

約数の個数: 96

約数和(自身を含む): 747744480

約数和(自身を除く): 469723240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 529, 644, 805, 920, 1058, 1288, 1610, 1877, 2116, 2645, 3220, 3703, 3754, 4232, 5290, 6440, 7406, 7508, 9385, 10580, 13139, 14812, 15016, 18515, 18770, 21160, 26278, 29624, 37030, 37540, 43171, 52556, 65695, 74060, 75080, 86342, 105112, 131390, 148120, 172684, 215855, 262780, 302197, 345368, 431710, 525560, 604394, 863420, 992933, 1208788, 1510985, 1726840, 1985866, 2417576, 3021970, 3971732, 4964665, 6043940, 6950531, 7943464, 9929330, 12087880, 13901062, 19858660, 27802124, 34752655, 39717320, 55604248, 69505310, 139010620, 278021240]

約数ペア:

[(1, 278021240), (2, 139010620), (4, 69505310), (5, 55604248), (7, 39717320), (8, 34752655), (10, 27802124), (14, 19858660), (20, 13901062), (23, 12087880), (28, 9929330), (35, 7943464), (40, 6950531), (46, 6043940), (56, 4964665), (70, 3971732), (92, 3021970), (115, 2417576), (140, 1985866), (161, 1726840), (184, 1510985), (230, 1208788), (280, 992933), (322, 863420), (460, 604394), (529, 525560), (644, 431710), (805, 345368), (920, 302197), (1058, 262780), (1288, 215855), (1610, 172684), (1877, 148120), (2116, 131390), (2645, 105112), (3220, 86342), (3703, 75080), (3754, 74060), (4232, 65695), (5290, 52556), (6440, 43171), (7406, 37540), (7508, 37030), (9385, 29624), (10580, 26278), (13139, 21160), (14812, 18770), (15016, 18515)]