438478880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:299

約数の個数: 192

約数和(自身を含む): 1245984768

約数和(自身を除く): 807505888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 73, 80, 112, 124, 140, 146, 155, 160, 173, 217, 224, 248, 280, 292, 310, 346, 365, 434, 496, 511, 560, 584, 620, 692, 730, 865, 868, 992, 1022, 1085, 1120, 1168, 1211, 1240, 1384, 1460, 1730, 1736, 2044, 2170, 2263, 2336, 2422, 2480, 2555, 2768, 2920, 3460, 3472, 4088, 4340, 4526, 4844, 4960, 5110, 5363, 5536, 5840, 6055, 6920, 6944, 8176, 8680, 9052, 9688, 10220, 10726, 11315, 11680, 12110, 12629, 13840, 15841, 16352, 17360, 18104, 19376, 20440, 21452, 22630, 24220, 25258, 26815, 27680, 31682, 34720, 36208, 37541, 38752, 40880, 42904, 45260, 48440, 50516, 53630, 63145, 63364, 72416, 75082, 79205, 81760, 85808, 88403, 90520, 96880, 101032, 107260, 126290, 126728, 150164, 158410, 171616, 176806, 181040, 187705, 193760, 202064, 214520, 252580, 253456, 300328, 316820, 353612, 362080, 375410, 391499, 404128, 429040, 442015, 505160, 506912, 600656, 633640, 707224, 750820, 782998, 858080, 884030, 1010320, 1201312, 1267280, 1414448, 1501640, 1565996, 1768060, 1957495, 2020640, 2534560, 2740493, 2828896, 3003280, 3131992, 3536120, 3914990, 5480986, 6006560, 6263984, 7072240, 7829980, 10961972, 12527968, 13702465, 14144480, 15659960, 21923944, 27404930, 31319920, 43847888, 54809860, 62639840, 87695776, 109619720, 219239440, 438478880]

約数ペア:

[(1, 438478880), (2, 219239440), (4, 109619720), (5, 87695776), (7, 62639840), (8, 54809860), (10, 43847888), (14, 31319920), (16, 27404930), (20, 21923944), (28, 15659960), (31, 14144480), (32, 13702465), (35, 12527968), (40, 10961972), (56, 7829980), (62, 7072240), (70, 6263984), (73, 6006560), (80, 5480986), (112, 3914990), (124, 3536120), (140, 3131992), (146, 3003280), (155, 2828896), (160, 2740493), (173, 2534560), (217, 2020640), (224, 1957495), (248, 1768060), (280, 1565996), (292, 1501640), (310, 1414448), (346, 1267280), (365, 1201312), (434, 1010320), (496, 884030), (511, 858080), (560, 782998), (584, 750820), (620, 707224), (692, 633640), (730, 600656), (865, 506912), (868, 505160), (992, 442015), (1022, 429040), (1085, 404128), (1120, 391499), (1168, 375410), (1211, 362080), (1240, 353612), (1384, 316820), (1460, 300328), (1730, 253456), (1736, 252580), (2044, 214520), (2170, 202064), (2263, 193760), (2336, 187705), (2422, 181040), (2480, 176806), (2555, 171616), (2768, 158410), (2920, 150164), (3460, 126728), (3472, 126290), (4088, 107260), (4340, 101032), (4526, 96880), (4844, 90520), (4960, 88403), (5110, 85808), (5363, 81760), (5536, 79205), (5840, 75082), (6055, 72416), (6920, 63364), (6944, 63145), (8176, 53630), (8680, 50516), (9052, 48440), (9688, 45260), (10220, 42904), (10726, 40880), (11315, 38752), (11680, 37541), (12110, 36208), (12629, 34720), (13840, 31682), (15841, 27680), (16352, 26815), (17360, 25258), (18104, 24220), (19376, 22630), (20440, 21452)]