78422540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1861}}^1$

素因数の和:1927

約数の個数: 72

約数和(自身を含む): 196135632

約数和(自身を除く): 117713092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 1861, 2107, 3010, 3722, 4214, 6020, 7444, 8428, 9305, 10535, 13027, 18610, 21070, 26054, 37220, 42140, 52108, 65135, 80023, 91189, 130270, 160046, 182378, 260540, 320092, 364756, 400115, 455945, 560161, 800230, 911890, 1120322, 1600460, 1823780, 2240644, 2800805, 3921127, 5601610, 7842254, 11203220, 15684508, 19605635, 39211270, 78422540]

約数ペア:

[(1, 78422540), (2, 39211270), (4, 19605635), (5, 15684508), (7, 11203220), (10, 7842254), (14, 5601610), (20, 3921127), (28, 2800805), (35, 2240644), (43, 1823780), (49, 1600460), (70, 1120322), (86, 911890), (98, 800230), (140, 560161), (172, 455945), (196, 400115), (215, 364756), (245, 320092), (301, 260540), (430, 182378), (490, 160046), (602, 130270), (860, 91189), (980, 80023), (1204, 65135), (1505, 52108), (1861, 42140), (2107, 37220), (3010, 26054), (3722, 21070), (4214, 18610), (6020, 13027), (7444, 10535), (8428, 9305)]