239252560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:293

約数の個数: 160

約数和(自身を含む): 636387840

約数和(自身を除く): 397135280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 47, 68, 76, 80, 85, 94, 95, 136, 152, 170, 188, 190, 197, 235, 272, 304, 323, 340, 376, 380, 394, 470, 646, 680, 752, 760, 788, 799, 893, 940, 985, 1292, 1360, 1520, 1576, 1598, 1615, 1786, 1880, 1970, 2584, 3152, 3196, 3230, 3349, 3572, 3743, 3760, 3940, 3995, 4465, 5168, 6392, 6460, 6698, 7144, 7486, 7880, 7990, 8930, 9259, 12784, 12920, 13396, 14288, 14972, 15181, 15760, 15980, 16745, 17860, 18518, 18715, 25840, 26792, 29944, 30362, 31960, 33490, 35720, 37036, 37430, 46295, 53584, 59888, 60724, 63631, 63920, 66980, 71440, 74072, 74860, 75905, 92590, 121448, 127262, 133960, 148144, 149720, 151810, 157403, 175921, 185180, 242896, 254524, 267920, 299440, 303620, 314806, 318155, 351842, 370360, 509048, 607240, 629612, 636310, 703684, 740720, 787015, 879605, 1018096, 1214480, 1259224, 1272620, 1407368, 1574030, 1759210, 2518448, 2545240, 2814736, 2990657, 3148060, 3518420, 5090480, 5981314, 6296120, 7036840, 11962628, 12592240, 14073680, 14953285, 23925256, 29906570, 47850512, 59813140, 119626280, 239252560]

約数ペア:

[(1, 239252560), (2, 119626280), (4, 59813140), (5, 47850512), (8, 29906570), (10, 23925256), (16, 14953285), (17, 14073680), (19, 12592240), (20, 11962628), (34, 7036840), (38, 6296120), (40, 5981314), (47, 5090480), (68, 3518420), (76, 3148060), (80, 2990657), (85, 2814736), (94, 2545240), (95, 2518448), (136, 1759210), (152, 1574030), (170, 1407368), (188, 1272620), (190, 1259224), (197, 1214480), (235, 1018096), (272, 879605), (304, 787015), (323, 740720), (340, 703684), (376, 636310), (380, 629612), (394, 607240), (470, 509048), (646, 370360), (680, 351842), (752, 318155), (760, 314806), (788, 303620), (799, 299440), (893, 267920), (940, 254524), (985, 242896), (1292, 185180), (1360, 175921), (1520, 157403), (1576, 151810), (1598, 149720), (1615, 148144), (1786, 133960), (1880, 127262), (1970, 121448), (2584, 92590), (3152, 75905), (3196, 74860), (3230, 74072), (3349, 71440), (3572, 66980), (3743, 63920), (3760, 63631), (3940, 60724), (3995, 59888), (4465, 53584), (5168, 46295), (6392, 37430), (6460, 37036), (6698, 35720), (7144, 33490), (7486, 31960), (7880, 30362), (7990, 29944), (8930, 26792), (9259, 25840), (12784, 18715), (12920, 18518), (13396, 17860), (14288, 16745), (14972, 15980), (15181, 15760)]