202117520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 120

約数和(自身を含む): 531930240

約数和(自身を除く): 329812720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 239, 248, 310, 341, 440, 478, 496, 620, 682, 880, 956, 961, 1195, 1240, 1364, 1705, 1912, 1922, 2390, 2480, 2629, 2728, 3410, 3824, 3844, 4780, 4805, 5258, 5456, 6820, 7409, 7688, 9560, 9610, 10516, 10571, 13145, 13640, 14818, 15376, 19120, 19220, 21032, 21142, 26290, 27280, 29636, 37045, 38440, 42064, 42284, 52580, 52855, 59272, 74090, 76880, 81499, 84568, 105160, 105710, 118544, 148180, 162998, 169136, 210320, 211420, 229679, 296360, 325996, 407495, 422840, 459358, 592720, 651992, 814990, 845680, 918716, 1148395, 1303984, 1629980, 1837432, 2296790, 2526469, 3259960, 3674864, 4593580, 5052938, 6519920, 9187160, 10105876, 12632345, 18374320, 20211752, 25264690, 40423504, 50529380, 101058760, 202117520]

約数ペア:

[(1, 202117520), (2, 101058760), (4, 50529380), (5, 40423504), (8, 25264690), (10, 20211752), (11, 18374320), (16, 12632345), (20, 10105876), (22, 9187160), (31, 6519920), (40, 5052938), (44, 4593580), (55, 3674864), (62, 3259960), (80, 2526469), (88, 2296790), (110, 1837432), (124, 1629980), (155, 1303984), (176, 1148395), (220, 918716), (239, 845680), (248, 814990), (310, 651992), (341, 592720), (440, 459358), (478, 422840), (496, 407495), (620, 325996), (682, 296360), (880, 229679), (956, 211420), (961, 210320), (1195, 169136), (1240, 162998), (1364, 148180), (1705, 118544), (1912, 105710), (1922, 105160), (2390, 84568), (2480, 81499), (2629, 76880), (2728, 74090), (3410, 59272), (3824, 52855), (3844, 52580), (4780, 42284), (4805, 42064), (5258, 38440), (5456, 37045), (6820, 29636), (7409, 27280), (7688, 26290), (9560, 21142), (9610, 21032), (10516, 19220), (10571, 19120), (13145, 15376), (13640, 14818)]