221256300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 679734272

約数和(自身を除く): 458477972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 37, 50, 60, 62, 74, 75, 93, 100, 111, 124, 148, 150, 155, 185, 186, 222, 300, 310, 370, 372, 444, 465, 555, 620, 643, 740, 775, 925, 930, 1110, 1147, 1286, 1550, 1850, 1860, 1929, 2220, 2294, 2325, 2572, 2775, 3100, 3215, 3441, 3700, 3858, 4588, 4650, 5550, 5735, 6430, 6882, 7716, 9300, 9645, 11100, 11470, 12860, 13764, 16075, 17205, 19290, 19933, 22940, 23791, 28675, 32150, 34410, 38580, 39866, 47582, 48225, 57350, 59799, 64300, 68820, 71373, 79732, 86025, 95164, 96450, 99665, 114700, 118955, 119598, 142746, 172050, 192900, 199330, 237910, 239196, 285492, 298995, 344100, 356865, 398660, 475820, 498325, 594775, 597990, 713730, 737521, 996650, 1189550, 1195980, 1427460, 1475042, 1494975, 1784325, 1993300, 2212563, 2379100, 2950084, 2989950, 3568650, 3687605, 4425126, 5979900, 7137300, 7375210, 8850252, 11062815, 14750420, 18438025, 22125630, 36876050, 44251260, 55314075, 73752100, 110628150, 221256300]

約数ペア:

[(1, 221256300), (2, 110628150), (3, 73752100), (4, 55314075), (5, 44251260), (6, 36876050), (10, 22125630), (12, 18438025), (15, 14750420), (20, 11062815), (25, 8850252), (30, 7375210), (31, 7137300), (37, 5979900), (50, 4425126), (60, 3687605), (62, 3568650), (74, 2989950), (75, 2950084), (93, 2379100), (100, 2212563), (111, 1993300), (124, 1784325), (148, 1494975), (150, 1475042), (155, 1427460), (185, 1195980), (186, 1189550), (222, 996650), (300, 737521), (310, 713730), (370, 597990), (372, 594775), (444, 498325), (465, 475820), (555, 398660), (620, 356865), (643, 344100), (740, 298995), (775, 285492), (925, 239196), (930, 237910), (1110, 199330), (1147, 192900), (1286, 172050), (1550, 142746), (1850, 119598), (1860, 118955), (1929, 114700), (2220, 99665), (2294, 96450), (2325, 95164), (2572, 86025), (2775, 79732), (3100, 71373), (3215, 68820), (3441, 64300), (3700, 59799), (3858, 57350), (4588, 48225), (4650, 47582), (5550, 39866), (5735, 38580), (6430, 34410), (6882, 32150), (7716, 28675), (9300, 23791), (9645, 22940), (11100, 19933), (11470, 19290), (12860, 17205), (13764, 16075)]