198846400

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:283

約数の個数: 168

約数和(自身を含む): 534172160

約数和(自身を除く): 335325760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 64, 76, 80, 95, 100, 124, 152, 155, 160, 190, 200, 211, 248, 304, 310, 320, 380, 400, 422, 475, 496, 589, 608, 620, 760, 775, 800, 844, 950, 992, 1055, 1178, 1216, 1240, 1520, 1550, 1600, 1688, 1900, 1984, 2110, 2356, 2480, 2945, 3040, 3100, 3376, 3800, 4009, 4220, 4712, 4960, 5275, 5890, 6080, 6200, 6541, 6752, 7600, 8018, 8440, 9424, 9920, 10550, 11780, 12400, 13082, 13504, 14725, 15200, 16036, 16880, 18848, 20045, 21100, 23560, 24800, 26164, 29450, 30400, 32072, 32705, 33760, 37696, 40090, 42200, 47120, 49600, 52328, 58900, 64144, 65410, 67520, 80180, 84400, 94240, 100225, 104656, 117800, 124279, 128288, 130820, 160360, 163525, 168800, 188480, 200450, 209312, 235600, 248558, 256576, 261640, 320720, 327050, 337600, 400900, 418624, 471200, 497116, 523280, 621395, 641440, 654100, 801800, 942400, 994232, 1046560, 1242790, 1282880, 1308200, 1603600, 1988464, 2093120, 2485580, 2616400, 3106975, 3207200, 3976928, 4971160, 5232800, 6213950, 6414400, 7953856, 9942320, 10465600, 12427900, 19884640, 24855800, 39769280, 49711600, 99423200, 198846400]

約数ペア:

[(1, 198846400), (2, 99423200), (4, 49711600), (5, 39769280), (8, 24855800), (10, 19884640), (16, 12427900), (19, 10465600), (20, 9942320), (25, 7953856), (31, 6414400), (32, 6213950), (38, 5232800), (40, 4971160), (50, 3976928), (62, 3207200), (64, 3106975), (76, 2616400), (80, 2485580), (95, 2093120), (100, 1988464), (124, 1603600), (152, 1308200), (155, 1282880), (160, 1242790), (190, 1046560), (200, 994232), (211, 942400), (248, 801800), (304, 654100), (310, 641440), (320, 621395), (380, 523280), (400, 497116), (422, 471200), (475, 418624), (496, 400900), (589, 337600), (608, 327050), (620, 320720), (760, 261640), (775, 256576), (800, 248558), (844, 235600), (950, 209312), (992, 200450), (1055, 188480), (1178, 168800), (1216, 163525), (1240, 160360), (1520, 130820), (1550, 128288), (1600, 124279), (1688, 117800), (1900, 104656), (1984, 100225), (2110, 94240), (2356, 84400), (2480, 80180), (2945, 67520), (3040, 65410), (3100, 64144), (3376, 58900), (3800, 52328), (4009, 49600), (4220, 47120), (4712, 42200), (4960, 40090), (5275, 37696), (5890, 33760), (6080, 32705), (6200, 32072), (6541, 30400), (6752, 29450), (7600, 26164), (8018, 24800), (8440, 23560), (9424, 21100), (9920, 20045), (10550, 18848), (11780, 16880), (12400, 16036), (13082, 15200), (13504, 14725)]