388363040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:395

約数の個数: 192

約数和(自身を含む): 1077027840

約数和(自身を除く): 688664800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 160, 190, 208, 247, 248, 260, 304, 310, 317, 380, 403, 416, 494, 496, 520, 589, 608, 620, 634, 760, 806, 988, 992, 1040, 1178, 1235, 1240, 1268, 1520, 1585, 1612, 1976, 2015, 2080, 2356, 2470, 2480, 2536, 2945, 3040, 3170, 3224, 3952, 4030, 4121, 4712, 4940, 4960, 5072, 5890, 6023, 6340, 6448, 7657, 7904, 8060, 8242, 9424, 9827, 9880, 10144, 11780, 12046, 12680, 12896, 15314, 16120, 16484, 18848, 19654, 19760, 20605, 23560, 24092, 25360, 30115, 30628, 32240, 32968, 38285, 39308, 39520, 41210, 47120, 48184, 49135, 50720, 60230, 61256, 64480, 65936, 76570, 78299, 78616, 82420, 94240, 96368, 98270, 120460, 122512, 127751, 131872, 153140, 156598, 157232, 164840, 186713, 192736, 196540, 240920, 245024, 255502, 306280, 313196, 314464, 329680, 373426, 391495, 393080, 481840, 511004, 612560, 626392, 638755, 659360, 746852, 782990, 786160, 933565, 963680, 1022008, 1225120, 1252784, 1277510, 1493704, 1565980, 1572320, 1867130, 2044016, 2427269, 2505568, 2555020, 2987408, 3131960, 3734260, 4088032, 4854538, 5110040, 5974816, 6263920, 7468520, 9709076, 10220080, 12136345, 12527840, 14937040, 19418152, 20440160, 24272690, 29874080, 38836304, 48545380, 77672608, 97090760, 194181520, 388363040]

約数ペア:

[(1, 388363040), (2, 194181520), (4, 97090760), (5, 77672608), (8, 48545380), (10, 38836304), (13, 29874080), (16, 24272690), (19, 20440160), (20, 19418152), (26, 14937040), (31, 12527840), (32, 12136345), (38, 10220080), (40, 9709076), (52, 7468520), (62, 6263920), (65, 5974816), (76, 5110040), (80, 4854538), (95, 4088032), (104, 3734260), (124, 3131960), (130, 2987408), (152, 2555020), (155, 2505568), (160, 2427269), (190, 2044016), (208, 1867130), (247, 1572320), (248, 1565980), (260, 1493704), (304, 1277510), (310, 1252784), (317, 1225120), (380, 1022008), (403, 963680), (416, 933565), (494, 786160), (496, 782990), (520, 746852), (589, 659360), (608, 638755), (620, 626392), (634, 612560), (760, 511004), (806, 481840), (988, 393080), (992, 391495), (1040, 373426), (1178, 329680), (1235, 314464), (1240, 313196), (1268, 306280), (1520, 255502), (1585, 245024), (1612, 240920), (1976, 196540), (2015, 192736), (2080, 186713), (2356, 164840), (2470, 157232), (2480, 156598), (2536, 153140), (2945, 131872), (3040, 127751), (3170, 122512), (3224, 120460), (3952, 98270), (4030, 96368), (4121, 94240), (4712, 82420), (4940, 78616), (4960, 78299), (5072, 76570), (5890, 65936), (6023, 64480), (6340, 61256), (6448, 60230), (7657, 50720), (7904, 49135), (8060, 48184), (8242, 47120), (9424, 41210), (9827, 39520), (9880, 39308), (10144, 38285), (11780, 32968), (12046, 32240), (12680, 30628), (12896, 30115), (15314, 25360), (16120, 24092), (16484, 23560), (18848, 20605), (19654, 19760)]