318182800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1497

約数の個数: 120

約数和(自身を含む): 842973824

約数和(自身を除く): 524791024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 43, 50, 52, 65, 80, 86, 100, 104, 130, 172, 200, 208, 215, 260, 325, 344, 400, 430, 520, 559, 650, 688, 860, 1040, 1075, 1118, 1300, 1423, 1720, 2150, 2236, 2600, 2795, 2846, 3440, 4300, 4472, 5200, 5590, 5692, 7115, 8600, 8944, 11180, 11384, 13975, 14230, 17200, 18499, 22360, 22768, 27950, 28460, 35575, 36998, 44720, 55900, 56920, 61189, 71150, 73996, 92495, 111800, 113840, 122378, 142300, 147992, 184990, 223600, 244756, 284600, 295984, 305945, 369980, 462475, 489512, 569200, 611890, 739960, 795457, 924950, 979024, 1223780, 1479920, 1529725, 1590914, 1849900, 2447560, 3059450, 3181828, 3699800, 3977285, 4895120, 6118900, 6363656, 7399600, 7954570, 12237800, 12727312, 15909140, 19886425, 24475600, 31818280, 39772850, 63636560, 79545700, 159091400, 318182800]

約数ペア:

[(1, 318182800), (2, 159091400), (4, 79545700), (5, 63636560), (8, 39772850), (10, 31818280), (13, 24475600), (16, 19886425), (20, 15909140), (25, 12727312), (26, 12237800), (40, 7954570), (43, 7399600), (50, 6363656), (52, 6118900), (65, 4895120), (80, 3977285), (86, 3699800), (100, 3181828), (104, 3059450), (130, 2447560), (172, 1849900), (200, 1590914), (208, 1529725), (215, 1479920), (260, 1223780), (325, 979024), (344, 924950), (400, 795457), (430, 739960), (520, 611890), (559, 569200), (650, 489512), (688, 462475), (860, 369980), (1040, 305945), (1075, 295984), (1118, 284600), (1300, 244756), (1423, 223600), (1720, 184990), (2150, 147992), (2236, 142300), (2600, 122378), (2795, 113840), (2846, 111800), (3440, 92495), (4300, 73996), (4472, 71150), (5200, 61189), (5590, 56920), (5692, 55900), (7115, 44720), (8600, 36998), (8944, 35575), (11180, 28460), (11384, 27950), (13975, 22768), (14230, 22360), (17200, 18499)]