399106440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:841

約数の個数: 160

約数和(自身を含む): 1350360000

約数和(自身を除く): 951253560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 199, 216, 270, 324, 360, 398, 405, 540, 597, 619, 648, 796, 810, 995, 1080, 1194, 1238, 1592, 1620, 1791, 1857, 1990, 2388, 2476, 2985, 3095, 3240, 3582, 3714, 3980, 4776, 4952, 5373, 5571, 5970, 6190, 7164, 7428, 7960, 8955, 9285, 10746, 11142, 11940, 12380, 14328, 14856, 16119, 16713, 17910, 18570, 21492, 22284, 23880, 24760, 26865, 27855, 32238, 33426, 35820, 37140, 42984, 44568, 50139, 53730, 55710, 64476, 66852, 71640, 74280, 80595, 83565, 100278, 107460, 111420, 123181, 128952, 133704, 161190, 167130, 200556, 214920, 222840, 246362, 250695, 322380, 334260, 369543, 401112, 492724, 501390, 615905, 644760, 668520, 739086, 985448, 1002780, 1108629, 1231810, 1478172, 1847715, 2005560, 2217258, 2463620, 2956344, 3325887, 3695430, 4434516, 4927240, 5543145, 6651774, 7390860, 8869032, 9977661, 11086290, 13303548, 14781720, 16629435, 19955322, 22172580, 26607096, 33258870, 39910644, 44345160, 49888305, 66517740, 79821288, 99776610, 133035480, 199553220, 399106440]

約数ペア:

[(1, 399106440), (2, 199553220), (3, 133035480), (4, 99776610), (5, 79821288), (6, 66517740), (8, 49888305), (9, 44345160), (10, 39910644), (12, 33258870), (15, 26607096), (18, 22172580), (20, 19955322), (24, 16629435), (27, 14781720), (30, 13303548), (36, 11086290), (40, 9977661), (45, 8869032), (54, 7390860), (60, 6651774), (72, 5543145), (81, 4927240), (90, 4434516), (108, 3695430), (120, 3325887), (135, 2956344), (162, 2463620), (180, 2217258), (199, 2005560), (216, 1847715), (270, 1478172), (324, 1231810), (360, 1108629), (398, 1002780), (405, 985448), (540, 739086), (597, 668520), (619, 644760), (648, 615905), (796, 501390), (810, 492724), (995, 401112), (1080, 369543), (1194, 334260), (1238, 322380), (1592, 250695), (1620, 246362), (1791, 222840), (1857, 214920), (1990, 200556), (2388, 167130), (2476, 161190), (2985, 133704), (3095, 128952), (3240, 123181), (3582, 111420), (3714, 107460), (3980, 100278), (4776, 83565), (4952, 80595), (5373, 74280), (5571, 71640), (5970, 66852), (6190, 64476), (7164, 55710), (7428, 53730), (7960, 50139), (8955, 44568), (9285, 42984), (10746, 37140), (11142, 35820), (11940, 33426), (12380, 32238), (14328, 27855), (14856, 26865), (16119, 24760), (16713, 23880), (17910, 22284), (18570, 21492)]