397231520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:743

約数の個数: 192

約数和(自身を含む): 1173989376

約数和(自身を除く): 776757856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 68, 70, 80, 85, 112, 119, 124, 136, 140, 155, 160, 170, 217, 224, 238, 248, 272, 280, 310, 340, 434, 476, 496, 527, 544, 560, 595, 620, 673, 680, 868, 952, 992, 1054, 1085, 1120, 1190, 1240, 1346, 1360, 1736, 1904, 2108, 2170, 2380, 2480, 2635, 2692, 2720, 3365, 3472, 3689, 3808, 4216, 4340, 4711, 4760, 4960, 5270, 5384, 6730, 6944, 7378, 8432, 8680, 9422, 9520, 10540, 10768, 11441, 13460, 14756, 16864, 17360, 18445, 18844, 19040, 20863, 21080, 21536, 22882, 23555, 26920, 29512, 34720, 36890, 37688, 41726, 42160, 45764, 47110, 53840, 57205, 59024, 73780, 75376, 80087, 83452, 84320, 91528, 94220, 104315, 107680, 114410, 118048, 146041, 147560, 150752, 160174, 166904, 183056, 188440, 208630, 228820, 292082, 295120, 320348, 333808, 354671, 366112, 376880, 400435, 417260, 457640, 584164, 590240, 640696, 667616, 709342, 730205, 753760, 800870, 834520, 915280, 1168328, 1281392, 1418684, 1460410, 1601740, 1669040, 1773355, 1830560, 2336656, 2482697, 2562784, 2837368, 2920820, 3203480, 3338080, 3546710, 4673312, 4965394, 5674736, 5841640, 6406960, 7093420, 9930788, 11349472, 11683280, 12413485, 12813920, 14186840, 19861576, 23366560, 24826970, 28373680, 39723152, 49653940, 56747360, 79446304, 99307880, 198615760, 397231520]

約数ペア:

[(1, 397231520), (2, 198615760), (4, 99307880), (5, 79446304), (7, 56747360), (8, 49653940), (10, 39723152), (14, 28373680), (16, 24826970), (17, 23366560), (20, 19861576), (28, 14186840), (31, 12813920), (32, 12413485), (34, 11683280), (35, 11349472), (40, 9930788), (56, 7093420), (62, 6406960), (68, 5841640), (70, 5674736), (80, 4965394), (85, 4673312), (112, 3546710), (119, 3338080), (124, 3203480), (136, 2920820), (140, 2837368), (155, 2562784), (160, 2482697), (170, 2336656), (217, 1830560), (224, 1773355), (238, 1669040), (248, 1601740), (272, 1460410), (280, 1418684), (310, 1281392), (340, 1168328), (434, 915280), (476, 834520), (496, 800870), (527, 753760), (544, 730205), (560, 709342), (595, 667616), (620, 640696), (673, 590240), (680, 584164), (868, 457640), (952, 417260), (992, 400435), (1054, 376880), (1085, 366112), (1120, 354671), (1190, 333808), (1240, 320348), (1346, 295120), (1360, 292082), (1736, 228820), (1904, 208630), (2108, 188440), (2170, 183056), (2380, 166904), (2480, 160174), (2635, 150752), (2692, 147560), (2720, 146041), (3365, 118048), (3472, 114410), (3689, 107680), (3808, 104315), (4216, 94220), (4340, 91528), (4711, 84320), (4760, 83452), (4960, 80087), (5270, 75376), (5384, 73780), (6730, 59024), (6944, 57205), (7378, 53840), (8432, 47110), (8680, 45764), (9422, 42160), (9520, 41726), (10540, 37688), (10768, 36890), (11441, 34720), (13460, 29512), (14756, 26920), (16864, 23555), (17360, 22882), (18445, 21536), (18844, 21080), (19040, 20863)]