1878248840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{15773}}^1$

素因数の和:16026

約数の個数: 64

約数和(自身を含む): 4571305200

約数和(自身を除く): 2693056360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 229, 260, 458, 520, 916, 1145, 1832, 2290, 2977, 4580, 5954, 9160, 11908, 14885, 15773, 23816, 29770, 31546, 59540, 63092, 78865, 119080, 126184, 157730, 205049, 315460, 410098, 630920, 820196, 1025245, 1640392, 2050490, 3612017, 4100980, 7224034, 8201960, 14448068, 18060085, 28896136, 36120170, 46956221, 72240340, 93912442, 144480680, 187824884, 234781105, 375649768, 469562210, 939124420, 1878248840]

約数ペア:

[(1, 1878248840), (2, 939124420), (4, 469562210), (5, 375649768), (8, 234781105), (10, 187824884), (13, 144480680), (20, 93912442), (26, 72240340), (40, 46956221), (52, 36120170), (65, 28896136), (104, 18060085), (130, 14448068), (229, 8201960), (260, 7224034), (458, 4100980), (520, 3612017), (916, 2050490), (1145, 1640392), (1832, 1025245), (2290, 820196), (2977, 630920), (4580, 410098), (5954, 315460), (9160, 205049), (11908, 157730), (14885, 126184), (15773, 119080), (23816, 78865), (29770, 63092), (31546, 59540)]