191991200

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:799

約数の個数: 144

約数和(自身を含む): 523091520

約数和(自身を除く): 331100320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 32, 34, 38, 40, 50, 68, 76, 80, 85, 95, 100, 136, 152, 160, 170, 190, 200, 272, 304, 323, 340, 380, 400, 425, 475, 544, 608, 646, 680, 743, 760, 800, 850, 950, 1292, 1360, 1486, 1520, 1615, 1700, 1900, 2584, 2720, 2972, 3040, 3230, 3400, 3715, 3800, 5168, 5944, 6460, 6800, 7430, 7600, 8075, 10336, 11888, 12631, 12920, 13600, 14117, 14860, 15200, 16150, 18575, 23776, 25262, 25840, 28234, 29720, 32300, 37150, 50524, 51680, 56468, 59440, 63155, 64600, 70585, 74300, 101048, 112936, 118880, 126310, 129200, 141170, 148600, 202096, 225872, 239989, 252620, 258400, 282340, 297200, 315775, 352925, 404192, 451744, 479978, 505240, 564680, 594400, 631550, 705850, 959956, 1010480, 1129360, 1199945, 1263100, 1411700, 1919912, 2020960, 2258720, 2399890, 2526200, 2823400, 3839824, 4799780, 5052400, 5646800, 5999725, 7679648, 9599560, 10104800, 11293600, 11999450, 19199120, 23998900, 38398240, 47997800, 95995600, 191991200]

約数ペア:

[(1, 191991200), (2, 95995600), (4, 47997800), (5, 38398240), (8, 23998900), (10, 19199120), (16, 11999450), (17, 11293600), (19, 10104800), (20, 9599560), (25, 7679648), (32, 5999725), (34, 5646800), (38, 5052400), (40, 4799780), (50, 3839824), (68, 2823400), (76, 2526200), (80, 2399890), (85, 2258720), (95, 2020960), (100, 1919912), (136, 1411700), (152, 1263100), (160, 1199945), (170, 1129360), (190, 1010480), (200, 959956), (272, 705850), (304, 631550), (323, 594400), (340, 564680), (380, 505240), (400, 479978), (425, 451744), (475, 404192), (544, 352925), (608, 315775), (646, 297200), (680, 282340), (743, 258400), (760, 252620), (800, 239989), (850, 225872), (950, 202096), (1292, 148600), (1360, 141170), (1486, 129200), (1520, 126310), (1615, 118880), (1700, 112936), (1900, 101048), (2584, 74300), (2720, 70585), (2972, 64600), (3040, 63155), (3230, 59440), (3400, 56468), (3715, 51680), (3800, 50524), (5168, 37150), (5944, 32300), (6460, 29720), (6800, 28234), (7430, 25840), (7600, 25262), (8075, 23776), (10336, 18575), (11888, 16150), (12631, 15200), (12920, 14860), (13600, 14117)]