242740290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{971}}^1$

素因数の和:1635

約数の個数: 64

約数和(自身を含む): 629016192

約数和(自身を除く): 386275902

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 641, 971, 1282, 1923, 1942, 2913, 3205, 3846, 4855, 5826, 6410, 8333, 9615, 9710, 12623, 14565, 16666, 19230, 24999, 25246, 29130, 37869, 41665, 49998, 63115, 75738, 83330, 124995, 126230, 189345, 249990, 378690, 622411, 1244822, 1867233, 3112055, 3734466, 6224110, 8091343, 9336165, 16182686, 18672330, 24274029, 40456715, 48548058, 80913430, 121370145, 242740290]

約数ペア:

[(1, 242740290), (2, 121370145), (3, 80913430), (5, 48548058), (6, 40456715), (10, 24274029), (13, 18672330), (15, 16182686), (26, 9336165), (30, 8091343), (39, 6224110), (65, 3734466), (78, 3112055), (130, 1867233), (195, 1244822), (390, 622411), (641, 378690), (971, 249990), (1282, 189345), (1923, 126230), (1942, 124995), (2913, 83330), (3205, 75738), (3846, 63115), (4855, 49998), (5826, 41665), (6410, 37869), (8333, 29130), (9615, 25246), (9710, 24999), (12623, 19230), (14565, 16666)]