221539220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:789

約数の個数: 96

約数和(自身を含む): 560867328

約数和(自身を除く): 339328108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 107, 115, 140, 161, 214, 230, 322, 428, 460, 535, 643, 644, 749, 805, 1070, 1286, 1498, 1610, 2140, 2461, 2572, 2996, 3215, 3220, 3745, 4501, 4922, 6430, 7490, 9002, 9844, 12305, 12860, 14789, 14980, 17227, 18004, 22505, 24610, 29578, 34454, 45010, 49220, 59156, 68801, 68908, 73945, 86135, 90020, 103523, 137602, 147890, 172270, 207046, 275204, 295780, 344005, 344540, 414092, 481607, 517615, 688010, 963214, 1035230, 1376020, 1582423, 1926428, 2070460, 2408035, 3164846, 4816070, 6329692, 7912115, 9632140, 11076961, 15824230, 22153922, 31648460, 44307844, 55384805, 110769610, 221539220]

約数ペア:

[(1, 221539220), (2, 110769610), (4, 55384805), (5, 44307844), (7, 31648460), (10, 22153922), (14, 15824230), (20, 11076961), (23, 9632140), (28, 7912115), (35, 6329692), (46, 4816070), (70, 3164846), (92, 2408035), (107, 2070460), (115, 1926428), (140, 1582423), (161, 1376020), (214, 1035230), (230, 963214), (322, 688010), (428, 517615), (460, 481607), (535, 414092), (643, 344540), (644, 344005), (749, 295780), (805, 275204), (1070, 207046), (1286, 172270), (1498, 147890), (1610, 137602), (2140, 103523), (2461, 90020), (2572, 86135), (2996, 73945), (3215, 68908), (3220, 68801), (3745, 59156), (4501, 49220), (4922, 45010), (6430, 34454), (7490, 29578), (9002, 24610), (9844, 22505), (12305, 18004), (12860, 17227), (14789, 14980)]