257942010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:484

約数の個数: 96

約数和(自身を含む): 669202560

約数和(自身を除く): 411260550

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 46, 62, 69, 93, 115, 138, 155, 186, 230, 310, 345, 389, 465, 690, 713, 778, 930, 961, 1167, 1426, 1922, 1945, 2139, 2334, 2883, 3565, 3890, 4278, 4805, 5766, 5835, 7130, 8947, 9610, 10695, 11670, 12059, 14415, 17894, 21390, 22103, 24118, 26841, 28830, 36177, 44206, 44735, 53682, 60295, 66309, 72354, 89470, 110515, 120590, 132618, 134205, 180885, 221030, 268410, 277357, 331545, 361770, 373829, 554714, 663090, 747658, 832071, 1121487, 1386785, 1664142, 1869145, 2242974, 2773570, 3738290, 4160355, 5607435, 8320710, 8598067, 11214870, 17196134, 25794201, 42990335, 51588402, 85980670, 128971005, 257942010]

約数ペア:

[(1, 257942010), (2, 128971005), (3, 85980670), (5, 51588402), (6, 42990335), (10, 25794201), (15, 17196134), (23, 11214870), (30, 8598067), (31, 8320710), (46, 5607435), (62, 4160355), (69, 3738290), (93, 2773570), (115, 2242974), (138, 1869145), (155, 1664142), (186, 1386785), (230, 1121487), (310, 832071), (345, 747658), (389, 663090), (465, 554714), (690, 373829), (713, 361770), (778, 331545), (930, 277357), (961, 268410), (1167, 221030), (1426, 180885), (1922, 134205), (1945, 132618), (2139, 120590), (2334, 110515), (2883, 89470), (3565, 72354), (3890, 66309), (4278, 60295), (4805, 53682), (5766, 44735), (5835, 44206), (7130, 36177), (8947, 28830), (9610, 26841), (10695, 24118), (11670, 22103), (12059, 21390), (14415, 17894)]