281445900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:672

約数の個数: 144

約数和(自身を含む): 857945088

約数和(自身を除く): 576499188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 53, 60, 62, 75, 93, 100, 106, 124, 150, 155, 159, 186, 212, 265, 300, 310, 318, 372, 465, 530, 571, 620, 636, 775, 795, 930, 1060, 1142, 1325, 1550, 1590, 1643, 1713, 1860, 2284, 2325, 2650, 2855, 3100, 3180, 3286, 3426, 3975, 4650, 4929, 5300, 5710, 6572, 6852, 7950, 8215, 8565, 9300, 9858, 11420, 14275, 15900, 16430, 17130, 17701, 19716, 24645, 28550, 30263, 32860, 34260, 35402, 41075, 42825, 49290, 53103, 57100, 60526, 70804, 82150, 85650, 88505, 90789, 98580, 106206, 121052, 123225, 151315, 164300, 171300, 177010, 181578, 212412, 246450, 265515, 302630, 354020, 363156, 442525, 453945, 492900, 531030, 605260, 756575, 885050, 907890, 938153, 1062060, 1327575, 1513150, 1770100, 1815780, 1876306, 2269725, 2655150, 2814459, 3026300, 3752612, 4539450, 4690765, 5310300, 5628918, 9078900, 9381530, 11257836, 14072295, 18763060, 23453825, 28144590, 46907650, 56289180, 70361475, 93815300, 140722950, 281445900]

約数ペア:

[(1, 281445900), (2, 140722950), (3, 93815300), (4, 70361475), (5, 56289180), (6, 46907650), (10, 28144590), (12, 23453825), (15, 18763060), (20, 14072295), (25, 11257836), (30, 9381530), (31, 9078900), (50, 5628918), (53, 5310300), (60, 4690765), (62, 4539450), (75, 3752612), (93, 3026300), (100, 2814459), (106, 2655150), (124, 2269725), (150, 1876306), (155, 1815780), (159, 1770100), (186, 1513150), (212, 1327575), (265, 1062060), (300, 938153), (310, 907890), (318, 885050), (372, 756575), (465, 605260), (530, 531030), (571, 492900), (620, 453945), (636, 442525), (775, 363156), (795, 354020), (930, 302630), (1060, 265515), (1142, 246450), (1325, 212412), (1550, 181578), (1590, 177010), (1643, 171300), (1713, 164300), (1860, 151315), (2284, 123225), (2325, 121052), (2650, 106206), (2855, 98580), (3100, 90789), (3180, 88505), (3286, 85650), (3426, 82150), (3975, 70804), (4650, 60526), (4929, 57100), (5300, 53103), (5710, 49290), (6572, 42825), (6852, 41075), (7950, 35402), (8215, 34260), (8565, 32860), (9300, 30263), (9858, 28550), (11420, 24645), (14275, 19716), (15900, 17701), (16430, 17130)]