289976480

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 192

約数和(自身を含む): 792529920

約数和(自身を除く): 502553440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 31, 32, 34, 38, 40, 62, 68, 76, 80, 85, 95, 124, 136, 152, 155, 160, 170, 181, 190, 248, 272, 304, 310, 323, 340, 362, 380, 496, 527, 544, 589, 608, 620, 646, 680, 724, 760, 905, 992, 1054, 1178, 1240, 1292, 1360, 1448, 1520, 1615, 1810, 2108, 2356, 2480, 2584, 2635, 2720, 2896, 2945, 3040, 3077, 3230, 3439, 3620, 4216, 4712, 4960, 5168, 5270, 5611, 5792, 5890, 6154, 6460, 6878, 7240, 8432, 9424, 10013, 10336, 10540, 11222, 11780, 12308, 12920, 13756, 14480, 15385, 16864, 17195, 18848, 20026, 21080, 22444, 23560, 24616, 25840, 27512, 28055, 28960, 30770, 34390, 40052, 42160, 44888, 47120, 49232, 50065, 51680, 55024, 56110, 58463, 61540, 68780, 80104, 84320, 89776, 94240, 95387, 98464, 100130, 106609, 110048, 112220, 116926, 123080, 137560, 160208, 179552, 190774, 200260, 213218, 224440, 233852, 246160, 275120, 292315, 320416, 381548, 400520, 426436, 448880, 467704, 476935, 492320, 533045, 550240, 584630, 763096, 801040, 852872, 897760, 935408, 953870, 1066090, 1169260, 1526192, 1602080, 1705744, 1812353, 1870816, 1907740, 2132180, 2338520, 3052384, 3411488, 3624706, 3815480, 4264360, 4677040, 7249412, 7630960, 8528720, 9061765, 9354080, 14498824, 15261920, 17057440, 18123530, 28997648, 36247060, 57995296, 72494120, 144988240, 289976480]

約数ペア:

[(1, 289976480), (2, 144988240), (4, 72494120), (5, 57995296), (8, 36247060), (10, 28997648), (16, 18123530), (17, 17057440), (19, 15261920), (20, 14498824), (31, 9354080), (32, 9061765), (34, 8528720), (38, 7630960), (40, 7249412), (62, 4677040), (68, 4264360), (76, 3815480), (80, 3624706), (85, 3411488), (95, 3052384), (124, 2338520), (136, 2132180), (152, 1907740), (155, 1870816), (160, 1812353), (170, 1705744), (181, 1602080), (190, 1526192), (248, 1169260), (272, 1066090), (304, 953870), (310, 935408), (323, 897760), (340, 852872), (362, 801040), (380, 763096), (496, 584630), (527, 550240), (544, 533045), (589, 492320), (608, 476935), (620, 467704), (646, 448880), (680, 426436), (724, 400520), (760, 381548), (905, 320416), (992, 292315), (1054, 275120), (1178, 246160), (1240, 233852), (1292, 224440), (1360, 213218), (1448, 200260), (1520, 190774), (1615, 179552), (1810, 160208), (2108, 137560), (2356, 123080), (2480, 116926), (2584, 112220), (2635, 110048), (2720, 106609), (2896, 100130), (2945, 98464), (3040, 95387), (3077, 94240), (3230, 89776), (3439, 84320), (3620, 80104), (4216, 68780), (4712, 61540), (4960, 58463), (5168, 56110), (5270, 55024), (5611, 51680), (5792, 50065), (5890, 49232), (6154, 47120), (6460, 44888), (6878, 42160), (7240, 40052), (8432, 34390), (9424, 30770), (10013, 28960), (10336, 28055), (10540, 27512), (11222, 25840), (11780, 24616), (12308, 23560), (12920, 22444), (13756, 21080), (14480, 20026), (15385, 18848), (16864, 17195)]