490990400

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:593

約数の個数: 168

約数和(自身を含む): 1315272960

約数和(自身を除く): 824282560

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, 248, 304, 310, 320, 380, 400, 475, 496, 521, 589, 608, 620, 760, 775, 800, 950, 992, 1042, 1178, 1216, 1240, 1520, 1550, 1600, 1900, 1984, 2084, 2356, 2480, 2605, 2945, 3040, 3100, 3800, 4168, 4712, 4960, 5210, 5890, 6080, 6200, 7600, 8336, 9424, 9899, 9920, 10420, 11780, 12400, 13025, 14725, 15200, 16151, 16672, 18848, 19798, 20840, 23560, 24800, 26050, 29450, 30400, 32302, 33344, 37696, 39596, 41680, 47120, 49495, 49600, 52100, 58900, 64604, 79192, 80755, 83360, 94240, 98990, 104200, 117800, 129208, 158384, 161510, 166720, 188480, 197980, 208400, 235600, 247475, 258416, 306869, 316768, 323020, 395960, 403775, 416800, 471200, 494950, 516832, 613738, 633536, 646040, 791920, 807550, 833600, 942400, 989900, 1033664, 1227476, 1292080, 1534345, 1583840, 1615100, 1979800, 2454952, 2584160, 3068690, 3167680, 3230200, 3959600, 4909904, 5168320, 6137380, 6460400, 7671725, 7919200, 9819808, 12274760, 12920800, 15343450, 15838400, 19639616, 24549520, 25841600, 30686900, 49099040, 61373800, 98198080, 122747600, 245495200, 490990400]

約数ペア:

[(1, 490990400), (2, 245495200), (4, 122747600), (5, 98198080), (8, 61373800), (10, 49099040), (16, 30686900), (19, 25841600), (20, 24549520), (25, 19639616), (31, 15838400), (32, 15343450), (38, 12920800), (40, 12274760), (50, 9819808), (62, 7919200), (64, 7671725), (76, 6460400), (80, 6137380), (95, 5168320), (100, 4909904), (124, 3959600), (152, 3230200), (155, 3167680), (160, 3068690), (190, 2584160), (200, 2454952), (248, 1979800), (304, 1615100), (310, 1583840), (320, 1534345), (380, 1292080), (400, 1227476), (475, 1033664), (496, 989900), (521, 942400), (589, 833600), (608, 807550), (620, 791920), (760, 646040), (775, 633536), (800, 613738), (950, 516832), (992, 494950), (1042, 471200), (1178, 416800), (1216, 403775), (1240, 395960), (1520, 323020), (1550, 316768), (1600, 306869), (1900, 258416), (1984, 247475), (2084, 235600), (2356, 208400), (2480, 197980), (2605, 188480), (2945, 166720), (3040, 161510), (3100, 158384), (3800, 129208), (4168, 117800), (4712, 104200), (4960, 98990), (5210, 94240), (5890, 83360), (6080, 80755), (6200, 79192), (7600, 64604), (8336, 58900), (9424, 52100), (9899, 49600), (9920, 49495), (10420, 47120), (11780, 41680), (12400, 39596), (13025, 37696), (14725, 33344), (15200, 32302), (16151, 30400), (16672, 29450), (18848, 26050), (19798, 24800), (20840, 23560)]