220101900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 664957440

約数和(自身を除く): 444855540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 37, 50, 60, 74, 75, 79, 100, 111, 148, 150, 158, 185, 222, 237, 251, 300, 316, 370, 395, 444, 474, 502, 555, 740, 753, 790, 925, 948, 1004, 1110, 1185, 1255, 1506, 1580, 1850, 1975, 2220, 2370, 2510, 2775, 2923, 3012, 3700, 3765, 3950, 4740, 5020, 5550, 5846, 5925, 6275, 7530, 7900, 8769, 9287, 11100, 11692, 11850, 12550, 14615, 15060, 17538, 18574, 18825, 19829, 23700, 25100, 27861, 29230, 35076, 37148, 37650, 39658, 43845, 46435, 55722, 58460, 59487, 73075, 75300, 79316, 87690, 92870, 99145, 111444, 118974, 139305, 146150, 175380, 185740, 198290, 219225, 232175, 237948, 278610, 292300, 297435, 396580, 438450, 464350, 495725, 557220, 594870, 696525, 733673, 876900, 928700, 991450, 1189740, 1393050, 1467346, 1487175, 1982900, 2201019, 2786100, 2934692, 2974350, 3668365, 4402038, 5948700, 7336730, 8804076, 11005095, 14673460, 18341825, 22010190, 36683650, 44020380, 55025475, 73367300, 110050950, 220101900]

約数ペア:

[(1, 220101900), (2, 110050950), (3, 73367300), (4, 55025475), (5, 44020380), (6, 36683650), (10, 22010190), (12, 18341825), (15, 14673460), (20, 11005095), (25, 8804076), (30, 7336730), (37, 5948700), (50, 4402038), (60, 3668365), (74, 2974350), (75, 2934692), (79, 2786100), (100, 2201019), (111, 1982900), (148, 1487175), (150, 1467346), (158, 1393050), (185, 1189740), (222, 991450), (237, 928700), (251, 876900), (300, 733673), (316, 696525), (370, 594870), (395, 557220), (444, 495725), (474, 464350), (502, 438450), (555, 396580), (740, 297435), (753, 292300), (790, 278610), (925, 237948), (948, 232175), (1004, 219225), (1110, 198290), (1185, 185740), (1255, 175380), (1506, 146150), (1580, 139305), (1850, 118974), (1975, 111444), (2220, 99145), (2370, 92870), (2510, 87690), (2775, 79316), (2923, 75300), (3012, 73075), (3700, 59487), (3765, 58460), (3950, 55722), (4740, 46435), (5020, 43845), (5550, 39658), (5846, 37650), (5925, 37148), (6275, 35076), (7530, 29230), (7900, 27861), (8769, 25100), (9287, 23700), (11100, 19829), (11692, 18825), (11850, 18574), (12550, 17538), (14615, 15060)]