838204020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{30839}}^1$

素因数の和:31005

約数の個数: 72

約数和(自身を含む): 2559473280

約数和(自身を除く): 1721269260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 302, 453, 604, 755, 906, 1359, 1510, 1812, 2265, 2718, 3020, 4530, 5436, 6795, 9060, 13590, 27180, 30839, 61678, 92517, 123356, 154195, 185034, 277551, 308390, 370068, 462585, 555102, 616780, 925170, 1110204, 1387755, 1850340, 2775510, 4656689, 5551020, 9313378, 13970067, 18626756, 23283445, 27940134, 41910201, 46566890, 55880268, 69850335, 83820402, 93133780, 139700670, 167640804, 209551005, 279401340, 419102010, 838204020]

約数ペア:

[(1, 838204020), (2, 419102010), (3, 279401340), (4, 209551005), (5, 167640804), (6, 139700670), (9, 93133780), (10, 83820402), (12, 69850335), (15, 55880268), (18, 46566890), (20, 41910201), (30, 27940134), (36, 23283445), (45, 18626756), (60, 13970067), (90, 9313378), (151, 5551020), (180, 4656689), (302, 2775510), (453, 1850340), (604, 1387755), (755, 1110204), (906, 925170), (1359, 616780), (1510, 555102), (1812, 462585), (2265, 370068), (2718, 308390), (3020, 277551), (4530, 185034), (5436, 154195), (6795, 123356), (9060, 92517), (13590, 61678), (27180, 30839)]