28641900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 98993664

約数和(自身を除く): 70351764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 25, 28, 30, 35, 42, 46, 50, 60, 69, 70, 75, 84, 92, 100, 105, 115, 138, 140, 150, 161, 175, 210, 230, 276, 300, 322, 345, 350, 420, 460, 483, 525, 575, 593, 644, 690, 700, 805, 966, 1050, 1150, 1186, 1380, 1610, 1725, 1779, 1932, 2100, 2300, 2372, 2415, 2965, 3220, 3450, 3558, 4025, 4151, 4830, 5930, 6900, 7116, 8050, 8302, 8895, 9660, 11860, 12075, 12453, 13639, 14825, 16100, 16604, 17790, 20755, 24150, 24906, 27278, 29650, 35580, 40917, 41510, 44475, 48300, 49812, 54556, 59300, 62265, 68195, 81834, 83020, 88950, 95473, 103775, 124530, 136390, 163668, 177900, 190946, 204585, 207550, 249060, 272780, 286419, 311325, 340975, 381892, 409170, 415100, 477365, 572838, 622650, 681950, 818340, 954730, 1022925, 1145676, 1245300, 1363900, 1432095, 1909460, 2045850, 2386825, 2864190, 4091700, 4773650, 5728380, 7160475, 9547300, 14320950, 28641900]

約数ペア:

[(1, 28641900), (2, 14320950), (3, 9547300), (4, 7160475), (5, 5728380), (6, 4773650), (7, 4091700), (10, 2864190), (12, 2386825), (14, 2045850), (15, 1909460), (20, 1432095), (21, 1363900), (23, 1245300), (25, 1145676), (28, 1022925), (30, 954730), (35, 818340), (42, 681950), (46, 622650), (50, 572838), (60, 477365), (69, 415100), (70, 409170), (75, 381892), (84, 340975), (92, 311325), (100, 286419), (105, 272780), (115, 249060), (138, 207550), (140, 204585), (150, 190946), (161, 177900), (175, 163668), (210, 136390), (230, 124530), (276, 103775), (300, 95473), (322, 88950), (345, 83020), (350, 81834), (420, 68195), (460, 62265), (483, 59300), (525, 54556), (575, 49812), (593, 48300), (644, 44475), (690, 41510), (700, 40917), (805, 35580), (966, 29650), (1050, 27278), (1150, 24906), (1186, 24150), (1380, 20755), (1610, 17790), (1725, 16604), (1779, 16100), (1932, 14825), (2100, 13639), (2300, 12453), (2372, 12075), (2415, 11860), (2965, 9660), (3220, 8895), (3450, 8302), (3558, 8050), (4025, 7116), (4151, 6900), (4830, 5930)]