398145510

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{210659}}^1$

素因数の和:210682

約数の個数: 64

約数和(自身を含む): 1213401600

約数和(自身を除く): 815256090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 210659, 421318, 631977, 1053295, 1263954, 1474613, 1895931, 2106590, 2949226, 3159885, 3791862, 4423839, 5687793, 6319770, 7373065, 8847678, 9479655, 11375586, 13271517, 14746130, 18959310, 22119195, 26543034, 28438965, 39814551, 44238390, 56877930, 66357585, 79629102, 132715170, 199072755, 398145510]

約数ペア:

[(1, 398145510), (2, 199072755), (3, 132715170), (5, 79629102), (6, 66357585), (7, 56877930), (9, 44238390), (10, 39814551), (14, 28438965), (15, 26543034), (18, 22119195), (21, 18959310), (27, 14746130), (30, 13271517), (35, 11375586), (42, 9479655), (45, 8847678), (54, 7373065), (63, 6319770), (70, 5687793), (90, 4423839), (105, 3791862), (126, 3159885), (135, 2949226), (189, 2106590), (210, 1895931), (270, 1474613), (315, 1263954), (378, 1053295), (630, 631977), (945, 421318), (1890, 210659)]