199419900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:612

約数の個数: 144

約数和(自身を含む): 611294208

約数和(自身を除く): 411874308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 41, 50, 60, 62, 75, 82, 93, 100, 123, 124, 150, 155, 164, 186, 205, 246, 300, 310, 372, 410, 465, 492, 523, 615, 620, 775, 820, 930, 1025, 1046, 1230, 1271, 1550, 1569, 1860, 2050, 2092, 2325, 2460, 2542, 2615, 3075, 3100, 3138, 3813, 4100, 4650, 5084, 5230, 6150, 6276, 6355, 7626, 7845, 9300, 10460, 12300, 12710, 13075, 15252, 15690, 16213, 19065, 21443, 25420, 26150, 31380, 31775, 32426, 38130, 39225, 42886, 48639, 52300, 63550, 64329, 64852, 76260, 78450, 81065, 85772, 95325, 97278, 107215, 127100, 128658, 156900, 162130, 190650, 194556, 214430, 243195, 257316, 321645, 324260, 381300, 405325, 428860, 486390, 536075, 643290, 664733, 810650, 972780, 1072150, 1215975, 1286580, 1329466, 1608225, 1621300, 1994199, 2144300, 2431950, 2658932, 3216450, 3323665, 3988398, 4863900, 6432900, 6647330, 7976796, 9970995, 13294660, 16618325, 19941990, 33236650, 39883980, 49854975, 66473300, 99709950, 199419900]

約数ペア:

[(1, 199419900), (2, 99709950), (3, 66473300), (4, 49854975), (5, 39883980), (6, 33236650), (10, 19941990), (12, 16618325), (15, 13294660), (20, 9970995), (25, 7976796), (30, 6647330), (31, 6432900), (41, 4863900), (50, 3988398), (60, 3323665), (62, 3216450), (75, 2658932), (82, 2431950), (93, 2144300), (100, 1994199), (123, 1621300), (124, 1608225), (150, 1329466), (155, 1286580), (164, 1215975), (186, 1072150), (205, 972780), (246, 810650), (300, 664733), (310, 643290), (372, 536075), (410, 486390), (465, 428860), (492, 405325), (523, 381300), (615, 324260), (620, 321645), (775, 257316), (820, 243195), (930, 214430), (1025, 194556), (1046, 190650), (1230, 162130), (1271, 156900), (1550, 128658), (1569, 127100), (1860, 107215), (2050, 97278), (2092, 95325), (2325, 85772), (2460, 81065), (2542, 78450), (2615, 76260), (3075, 64852), (3100, 64329), (3138, 63550), (3813, 52300), (4100, 48639), (4650, 42886), (5084, 39225), (5230, 38130), (6150, 32426), (6276, 31775), (6355, 31380), (7626, 26150), (7845, 25420), (9300, 21443), (10460, 19065), (12300, 16213), (12710, 15690), (13075, 15252)]