28567140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4001}}^1$

素因数の和:4037

約数の個数: 96

約数和(自身を含む): 96816384

約数和(自身を除く): 68249244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 4001, 7140, 8002, 12003, 16004, 20005, 24006, 28007, 40010, 48012, 56014, 60015, 68017, 80020, 84021, 112028, 120030, 136034, 140035, 168042, 204051, 240060, 272068, 280070, 336084, 340085, 408102, 420105, 476119, 560140, 680170, 816204, 840210, 952238, 1020255, 1360340, 1428357, 1680420, 1904476, 2040510, 2380595, 2856714, 4081020, 4761190, 5713428, 7141785, 9522380, 14283570, 28567140]

約数ペア:

[(1, 28567140), (2, 14283570), (3, 9522380), (4, 7141785), (5, 5713428), (6, 4761190), (7, 4081020), (10, 2856714), (12, 2380595), (14, 2040510), (15, 1904476), (17, 1680420), (20, 1428357), (21, 1360340), (28, 1020255), (30, 952238), (34, 840210), (35, 816204), (42, 680170), (51, 560140), (60, 476119), (68, 420105), (70, 408102), (84, 340085), (85, 336084), (102, 280070), (105, 272068), (119, 240060), (140, 204051), (170, 168042), (204, 140035), (210, 136034), (238, 120030), (255, 112028), (340, 84021), (357, 80020), (420, 68017), (476, 60015), (510, 56014), (595, 48012), (714, 40010), (1020, 28007), (1190, 24006), (1428, 20005), (1785, 16004), (2380, 12003), (3570, 8002), (4001, 7140)]